Hello,Using Aspose.Pdf.dll version 17.1.0.0 Converting pdf file in attachment with code: PdfFormatConversionOptions opts = new PdfFormatConversionOptions(report, PdfFormat.PDF_A_2A, ConvertErrorAction.Delete);bool conver…...PDF for .NET - cause System.ArgumentException...some replicating code: // .NET Framework 4.7 // reference: Aspose...