Excellent. Hopefully, some of our members playing this can post some captures.
Yes, I believe to all the above. However I only see it for the breast. I think if you mess with the but you enlarge the entire body. I could be wrong. Perhaps there will be "demand" for the but slider and they will add it.
http://kotaku.com/playing-with-conan-exiles-nsfw-character-creation-1791820986
http://www.pcgamer.com/conan-exiles-dick-slider/
Also, the bodies look pretty good (textures)
Oh, and the penis has physics....