For the seams not to show up on V4 in Superfly, she needs to be changed to Poser Unimesh under Skinning Method. Now without knowing what the Material Room setup looks like for Sabby's character, it is difficult to say whether the textures could be converted easily for Superfly. The body and cleavage options might be dial dependent, look under the Parameters tab and see if there are extra settings that control the amount of body and cleavage morphing.