pdf self flattening!
While I can open older saved PDF files in Preview and keep working with the inserted graphic and text, I am experiencing that recently created PDF's are flattening upon saving and closing the files.
I do not see any settings in the preview preferences that could cause this, so I am quite lost regarding this "problem"
I would very much like to be able to keep working with the inserted graphics and text also after having saved and closed the documents, and would therefor greatly appreciate to hear if anyone would have an explanation/solution.
iMac 27″, macOS 10.13