In macOS Sierra, the PDF files in Zotero folder cannot be annotated anymore
In mac OS Sierra, the PDF files in Zotero folder cannot be annotated or edited anymore.
The Zotero folder is located in /Users/XXX/Library/Application Support/Zotero.
It seems that all PDF documents located in Application Support folder cannot be edited anymore.
The Zotero folder is located in /Users/XXX/Library/Application Support/Zotero.
It seems that all PDF documents located in Application Support folder cannot be edited anymore.
This discussion has been closed.
Edit: this is a Preview setting, btw. I believe other PDF readers should still work.