PDF editing software in large quantities. Designed for teachers, this app keeps recorded previous annotations, and offers features like marking scale, PDF conversion, vectorial drawing...
Can you provide further details about the exact actions that you performed. Are you able to reproduce the bug when deleting the PDF4Teachers data folder? Do you see any error in the console (Ctrl+Alt+C)?
I am unable to copy the mark scale to all the documents in the file. It does not duplicate