There are no associated Bitmaps with GSD file, is this intentional
It may vary between devices but i just checked a few profinet devices support pages and the files and document pages have .zip files that include the GSDML and a ,bmp file. What deivices are you looking at?
https://www.anybus.com/technical-support/resources/downloads-and-documentation?ordercode=abc4013
I looking bitmap for two devices - AB7808 and AB9001