Hi all
We use Aspose.Pdf.Document to add QR codes on top of existing PDF files.
What we do is roughly the following:
using var document = new Document(streamOfPdfFile);
AddQrCode(document);
document.SaveAsync(streamOf…...jexsU3Zcc= #=z3EUsaGk=, SaveOptions #=zz1m6uCvoXKDj, CancellationToken...#=zSqG_Lvs=(Stream #=zx7lIinA=, SaveOptions #=zz1m6uCvoXKDj, CancellationToken...