CorvusMask |
Pathfinder Starfinder Roleplaying Game Subscriber
You can just 1) open the adventure pdf 2) click the map and copy it 3) open image editing software and then paste it 4) save it as image. And then upload it to vtt you are using.
Will not always result in the best resolution especially on large maps, but that is something you can do to all maps in all aps.