Help me with CC body

I have some problems with the project what I’m doing now. Firstly let me talk about the project briefly.

My friend, developer and I try to make an AI English teaching app in unity. I use CC4 and Iclone for character and animation with auto setup unity pipeline . But there is the problem that my friend told me that he needs to overwrite the shapekeys data of visemes in CC_body of animator to make real-time AI visemes but there is only one CC_body and if he overwrites the visemes , my animation keys are being overwritted too. That means the animation stops whenever overwrite the CC_body. So he ask me if I can do seperate the visemes keys and other shapkeys into different meshes.

My Question is here. Can I do seperate the visemes and other shapekeys into Different CC_? If I can , how can I do? Any suggestions pls