I have sole physical and legal custody, can my ex force me to sign for passport?

Yes, the Court could order you to sign the passport, however that doesn't mean it necessarily will. I suggest retaining an attorney to look over...

My son is currently married (legally) however, it has been brought to my attention that his wife married another man.

It may depend on the law of the state/country his wife is in. In Minnesota, her 2nd marriage would not be recognized as valid.

Does he have any rights?

If the father's parental rights were terminated, that's it. He doesn't have any right to motion for custody. However, I'm not aware of being able...

I agree with Counsel. Collect your evidence, then motion the Court for reimbursement. You potentially also could ask for legal fees.

How do I get my social security, birth certificate, and other important documents from my mom that lives in another state?

If you are 18+ you should be able to contact the appropriate governmental agencies for a copy of each document you need.

I doubt any Judge would find them in contempt for this. However, if they are responsible for 1/2 of the transportation, it's reasonable that they...

Can I ask to have an emergency relief hearing rescheduled due to the fact that I never received full documentation of said heari

You could ask for a continuation of the hearing if you feel you don't have enough notice to prepare.

I don’t have money for a lawyer been try to get help ?

Your question is not clear. I suggest reposting and adding more detail.

Can i suspend child support if i have full custody while mother is gone for 8 weeks for work

You could motion the Court for a modification of child support based on the overall parenting time change.

Typically expenses are not included in child support calculations. I would double-check to see if there were income changes or if somehow there...