I am not sure what the settings were on the first render but on the second render the AO strength was 0.570001 and the light type was a diffuse IBL with no shadows.

Before anyone makes fun of me  and says LOL Yer doin it wrong, I'm asking because I don't know how lol. anyway the second render (posted in this post) got rid of the crap under her elbow but leaves some at her shoulder area and her left elbow and hand.