Object reference error thrown in RemoveUsageRights function on a PDF downloaded from DocuSign. Using v23.4.0 but it also occurs in eariler versions.
Sample.zip (277.1 KB)
using var pdfDoc = File.Open(@"c:\temp\Sample.pdf", FileMode.Open);
using var pdfPrimary = new Aspose.Pdf.Document(pdfDoc);
var sign = new Aspose.Pdf.Facades.PdfFileSignature();
sign.BindPdf(pdfPrimary);
sign.RemoveUsageRights();