Which AO technique is used in ARMA 3? and what is contained in each pp quality

[msy 22]

I want to know if ARMA3 has some AO ( Ambient Occlusion) technique contained in PP effect? If it has how can I open it? And what is contained in each post process quality?

[roberthammer 582]

Well in arma 2 co/oa it was like this > http://forums.bistudio.com/showthread.php?101040-ARMA-2-OA-Post-Process-Settings-Decoded&p=1660975#post1660975

and i think arma 3 use similiar PP settings as arma2 , AO is SSAO