Thanks for your inquiry. I have tested your scenario with shared document using Aspose.Pdf for .NET 11.5.0 and noticed OutOfMemmory Exception. For further investigation, I have logged an issue in our issue tracking system as PDFNEWNET-40546 and also linked your request to it. We will keep you updated via this thread regarding the issue status.
We are sorry for the inconvenience caused.
Thanks for your patience.
We are pleased to share that the issue PDF to DOC conversion reported earlier is resolved in recent release of
Aspose.Pdf for .NET 17.9.
Please try using the latest release and in case you face any issue, please feel free to contact.