Thanks for your inquiry. I have tested your scenario with shared document using Aspose.Pdf for .NET 10.5.0 and managed to observe the reported issue. For further investigation, I have logged an issue in our issue tracking system as PDFNEWNET-38893 and also linked your request to it. We will keep you updated via this thread regarding the issue status.
Please feel free to contact us for any further assistance.
May I know the status of this issue, and estimate time for the fix. Thanks.