Right now, only local PDF files can be accessed via the recent documents list. PDF documents opened using the "external documents" menu or from a third-party app, won't show up in the recents list. This is a limitation of the Android operating system, which only grants temporary file access to the PDF Viewer app.
[Android] Why does my PDF not show up in the Recents?
Right now, only local PDF files can be accessed via the recent documents list.

Written by Peter Steinberger
Updated over a week ago
Updated over a week ago