How to convert PDF to Word in the ASP.NET Core platform?

<div class="btn">
    @{
        Html.BeginForm("ExportToPDF", "Home", FormMethod.Post);
        {
            <input type="submit" value="Export To PDF" class=" btn" />
        }
    }
</div>

using Microsoft.AspNetCore.Mvc;
using System.Drawing;
using Syncfusion.DocIO.DLS;
using Syncfusion.Pdf.Parsing;
using Syncfusion.EJ2.PdfViewer;
using SkiaSharp;

Imports System.Drawing
Imports Syncfusion.DocIO.DLS
Imports Syncfusion.Pdf.Parsing
Imports Syncfusion.EJ2.PdfViewer
Imports SkiaSharp
Imports Microsoft.AspNetCore.Mvc

//Create a new Word document.
WordDocument m_wordDocument = new WordDocument();
 
//Add a new section to the document.
IWSection section = m_wordDocument.AddSection();
 
//Set the page margins to zero.
section.PageSetup.Margins.All = 0;
 
//Add a new paragraph to the section.
IWParagraph firstParagraph = section.AddParagraph();
 
SizeF defaultPageSize = new SizeF(m_wordDocument.LastSection.PageSetup.PageSize.Width, m_wordDocument.LastSection.PageSetup.PageSize.Height);
 
string path = "Barcode.pdf";
Stream docStream = new FileStream(path, FileMode.Open);
 
//Load the PDF document from the given file path.
using (PdfLoadedDocument m_loadedDocument = new PdfLoadedDocument(docStream))
{   
    //Use the Syncfusion.EJ2.PdfViewer assembly.
    PdfRenderer pdfExportImage = new PdfRenderer();
 
    //Load the PDF document.
    pdfExportImage.Load(docStream);
 
    for (int i = 0; i < m_loadedDocument.Pages.Count; i++)
    {
         //Export the PDF document pages into images.
         SKBitmap bitmap = pdfExportImage.ExportAsImage(i);
 
         SKImage image = SKImage.FromBitmap(bitmap);
         SKData encodedData = image.Encode(SKEncodedImageFormat.Jpeg, 100);
 
         MemoryStream imageStream = new MemoryStream();
         encodedData.SaveTo(imageStream);
 
         //Add an image to the paragraph.
         IWPicture picture = firstParagraph.AppendPicture(imageStream);
 
        //Set width and height for the image.
        picture.Width = defaultPageSize.Width;
        picture.Height = defaultPageSize.Height;
 
        imageStream.Dispose();
    }
//Save the PDF to the MemoryStream.
MemoryStream stream = new MemoryStream();
m_wordDocument.Save(stream, Syncfusion.DocIO.FormatType.Docx);
 
//Set the position as '0'.
stream.Position = 0;
 
//Download the PDF document in the browser.
FileStreamResult fileStreamResult = new FileStreamResult(stream, "application/msword");
fileStreamResult.FileDownloadName = "Result.docx";
return fileStreamResult;
}

'Create a new Word document. 
Dim m_wordDocument As WordDocument = New WordDocument()
 
'Add a new section to the document.
Dim section As IWSection = m_wordDocument.AddSection()
 
'Set the page margins to zero. 
section.PageSetup.Margins.All = 0
 
'Add a new paragraph to the section. 
Dim firstParagraph As IWParagraph = section.AddParagraph()
 
Dim defaultPageSize As SizeF = New SizeF(m_wordDocument.LastSection.PageSetup.PageSize.Width, m_wordDocument.LastSection.PageSetup.PageSize.Height)
 
Dim path As String = "Barcode.pdf"
Dim docStream As Stream = New FileStream(path, FileMode.Open)
 
'Load the PDF document from the given file path. 
Using m_loadedDocument As PdfLoadedDocument = New PdfLoadedDocument(docStream)
 
  'Use the Syncfusion.EJ2.PdfViewer assembly. 
    Dim pdfExportImage As PdfRenderer = New PdfRenderer()
 
    'Load the PDF document. 
    pdfExportImage.Load(docStream)
 
    For i As Integer = 0 To m_loadedDocument.Pages.Count - 1
        'Export the PDF document pages into images.      
       Dim bitmap As SKBitmap = pdfExportImage.ExportAsImage(i)
       Dim image As SKImage = SKImage.FromBitmap(bitmap)
       Dim encodedData As SKData = image.Encode(SKEncodedImageFormat.Jpeg, 100)
       Dim imageStream As MemoryStream = New MemoryStream()
       encodedData.SaveTo(imageStream) 
 
        'Add an image to the paragraph. 
       Dim picture As IWPicture = firstParagraph.AppendPicture(imageStream)
        'Set the width and height for the image. 
        picture.Width = defaultPageSize.Width
        picture.Height = defaultPageSize.Height
        imageStream.Dispose()
    Next
End Using
 
'Save the PDF to the MemoryStream.
Dim stream As MemoryStream = New MemoryStream()
m_wordDocument.Save(stream, Syncfusion.DocIO.FormatType.Docx)
 
'Set the position to '0'. 
stream.Position = 0
 
'Download the PDF document in the browser.
Dim fileStreamResult As FileStreamResult = New FileStreamResult(stream, "application/msword")
fileStreamResult.FileDownloadName = "Result.docx"
Return fileStreamResult