The foliage in the map appears to be unaffected by the changes in view distance.
The scalability settings are changing the cvars to the right values but the change is not being reflected on screen.
Expected Result: The foliage and the blocks are affected by these changes in view distance settings
Actual Result: The blocks are affected but the foliage is not
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-41283 in the post.