Converting from visitor visa to student or h1 for both husband and wife

1. For the H1 they need an employer with a job offer to start with. see the usics.gov website for more information on h1b see...

Is this viable? or shall I seek first the proper Immigration authorities for any additional documentation/s because of my son's

He would not be able to work on a b1/b2 visa. I am not clear regarding your question otherwise.

Can my fiancee go to US using her tourist visa even if She have a pending K1 Fiance visa petition

no she will not be able to enter on a visitors visa when you have a k1 pending

#12 on form N-470 Have you resided in and been physically present in the United States for an uninterrupted period.............

unfortunately it is not...............I would have an immigration attorney review the documents

Can I join the new employer?

please talk to immigration counsel for this new company that is offering the position

only the government can revoke the visa.............................

How long is the process if green card holder parent applies for green card of her unmarried son over 21 years of age?

You can file the I130 but then will need to wait until the visa is available and this can take several years in this category. Please see the visa...

Can I keep both a J1 visa and an H1B visas while changing my status from "J-1 scholar" to "H1B Temporary worker"?

It is up to the consular officer to make that decision.

My TPS EAD application has exceeded more than 75 days. Can I do request of service?

It is taking 90 plus days to get the EAD. Please be patient.

Can i still work with my valid EAD?What should i do to renew my I-94

please consult with your spouse's immigration counsel.