Here's a deepfake video of Obama from 2017, it's gotten much better since then:

https://www.youtube.com/watch?v=AmUC4m6w1wo

Most of the video, including the infamous "grab them by the pussy" quote, was a hot mic with Trump off-screen. So no, you can't lip read it.

As far as I am aware you never see Trump actually mouth the words in the tape [0].

[0] https://youtu.be/WhsSzIS84ks