Using Aspose.Pdf .NET 25.10, I am converting the attached file using following code:
using (var document = new Aspose.Pdf.Document(PdfPath))
{
var options = new Aspose.Pdf.PdfFormatConversionOptions(Aspose.Pdf.PdfFo…...Successful PDF/A-1b conversion creates invalid PDF/A due to fonts...fonts Aspose.PDF Product Family aspose-pdf-net markmanley.adlib...