it is 100%DPI scaling? Make sure it's set to 100%
Windows Settings> Display Pi
For test purpose: Try disable 'Shadow' in-game settings to see if anything changes.
Seems that GeForce Experience is attempting to set a value that may be handled differently for LUA.
You can try create a profile for PWO at Geforce Experience;
After that tweaking graphic settings while ingame to see if it fixes somehow.
Any graphic change in a particular game's profile won't affect any other game you may have.