PDF Document with Adobe LiceCycle Form can’t processed with Aspose.Pdf.dll 19.4.0.0.
Example document at https://cloud.cc-egov.de/index.php/s/XnRsgZeKY9qzr3D
public void PdfFormsTest()
{
string strSourceFN = @"c:\temp\PdfFormsTest.pdf";
string strDestFN = @"c:\temp\PdfFormsTest.xml";
Aspose.Pdf.Document d = new Document(strSourceFN);
d.Save(strDestFN, SaveFormat.Xml);
}
see bugid#27811