We are working on a new feature that will allow users to upload and display PDF documents on their sites. That should be available in the next 2-4 weeks. In the meantime, you can upload and save a PDF on this platform and display the link on your SitesGPT website:
https://www.pdffiller.com/
We appreciate your patience and valued feedback as we continue to improve our platform and offer new features as rapidly as possible!