Code:
   filepath = Path.Combine(
               Environment.GetFolderPath(Environment.SpecialFolder.Desktop),
                "MigraDoc.mdddl");
                MigraDoc.DocumentObjectModel.IO.DdlWriter.WriteToFile(document, filepath);
                              PdfDocumentRenderer renderer = new PdfDocumentRenderer(true, PdfSharp.Pdf.PdfFontEmbedding.Always);
                renderer.Document = document;
                renderer.RenderDocument(); 
                filepath = Path.Combine(filerepo.GetFolderPath(foldername), filename);
                renderer.PdfDocument.Save((filepath));
                Process.Start((filepath));
Hi please see attached image for detail error message
I had deployed my website on windows azure website.