On some occasions, PDF Expert might have problems with performance resulting in crashes - here are some troubleshooting steps to try:
Another temporary solution would be the following:
Note: If you're unable to access your files in PDF Expert, you can access them in the Files app > PDF Expert location.
If none of it helps, please send us the crash logs by following the steps below - we're happy to help you personally.
If none of it helps, please send us the logs at firstname.lastname@example.org by following the steps below - we're happy to help you personally.
Note: Since PDF Expert for Mac doesn't have a folder structure, all your files are safely stored on your computer and can be opened with any other PDF viewer app, for instance, the Preview app.