Hi,
The signing PDF by GemBox.PDF havent a PDF/UA Alternative Text for Signatures / TimeStamps
How add these Alternative Text for Signatures for full validate the PDF for PDF/UA Compliance ?
Software to validate PDF/UA and WCAG compliance : Download - PAC
PDF fully Compliant PDF/UA / WCAG : https://www.pdflib.com/fileadmin/cookbooks/PDFlib/results/invoice_pdfua1.pdf (before signing)
Regards
Pawel