You would animate the face by driving input parameters of RigLogic node in the ControlRig. This is how Sequencer drives facial animation, for example. There is a ‘face board’ included to make this easier. There is more info in these videos:
You would animate the face by driving input parameters of RigLogic node in the ControlRig. This is how Sequencer drives facial animation, for example. There is a ‘face board’ included to make this easier. There is more info in these videos: