Is USCIS still issuing work Permits during COVID?

Yes work permits are still being issued, assuming biometrics are on file.

As a greencard holder if I apply for the Pandemic Unemployment Assistance, am I going considered a public charge ?

No this will not impact your citizenship application.

Can filing for adjustment of status through marriage threaten the applicant's current job since they shouldn't be working ?

Yes it is possible that his employer may be contacted to determine how he was employed. Best to consult with an attorney prior to submission.

I have been abused here in the USA by wife can I pick up and leave?

Yes if you are being abused, advisable to remove yourself from this environment. You have options for maintaining your status and best to consult...

For case specific inquiries and assistance with filing forms, you will need an actual consultation with attorney.

My parents' I94 is expiring and I'm applying their green card, can they stay legally if we haven't received notice before it exp

Yes they may remain while case is pending (even if out of status, based on category of filing) but best to file prior to I94 expiry.

Yes they may remain in the US while their petition is pending but best to file prior to I94 expiry. For review of your file, consider consult with...

Getting divorce with US citizen and still on Green Card. Will I get citizenship?

You may file under the 5 year rule for citizenship not 3 year rule through spouse.

Yes you should be able to amend on date of interview or you can correct information on receipt notice by contacting USCIS.

You should indicate your adjusted gross income.