Question
illustrator fails to open Layered PDF from ArcGis Pro and Rhino7
every time I open a PDF file exported with layers from this progrems, Illustrator just clip all the layers together. I can see I have layers in Acrobat Reader. but illustrator open the file as one Clipping mask (containing another cliping mask, that contain another one etc). with no sign of the layers. this notice always shows up:

and what i get looks like this:
