Hey one of the devs answered another question a few months back that i think is the same you got, try dude:
“You can reduce effect by increasing the ‘Cloud Threshold Distance’ to a value greater than 0, 0.1 should work.”
So i suggest playing with that option, it helped me with my foliage 
If you want better support, jump on the slack channel as per the website, they seem to be much better for support on there!