Hi Aspose Team,
Sorry for the inconvenience faced. While using the latest version of Aspose.Pdf for NET 8.4.0, I've managed to reproduce cloud markup issue on my side and logged the issue in our bug tracking system as PDFNEWNET-35776 for further investigation and resolution. I've also linked your request to this issue and you will be notified via this thread as soon as it is resolved.
Please feel free to contact us for any further assistance.