CSM vs TAM

I thought this question had been asked already but I can't find it.

What are the main differences between a CSM and TAM?

I have a meeting monday with my manager to discuss my professional development plan.

Currently working as a CSM, but part of a new team that is just getting organized. There are parts of the job I really like and other parts I struggle with. Onboarding/implementation really appeals to me because I like the project mgmt aspect of it.

Would like to hear how others define the two roles. How are they similar/different?