For people that are using my recent VSSAO versions. I've noticed an error in the output, which was causing some ambient/diffuse reflections to be dim looking compared to how they should look. (weirdly enough). Some examples would be: Heide's Tower of Flame glowing windows, armor/weapon reflections.
I was using saturate() on the final output (clamping it), and it was the cause. I'd suggest updating to the latest version
here.
I've also updated my other post fx shader suite to
1.40. Some comparison screenshots
here.