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…..., in async Task<long> #=zgcC5Srw=.#=zPsbB6L...#=zAsQHuHKF3iDi) ?, in async Task<long> #=zi$JEslOmbGGFDaJGVNFJlQ=...