EAD on L2?

You should run this by your company's counsel. You could also hire an attorney on your own to provide a consultation.

My boyfriend over stayed his visiting visa; is their a way he could waive it and get a regular U.S green card (he is 18 now)?

He needs a connection to citizen, employer or green card holder in order to get a green card. If you are planning on getting married, that would...

Married to a French citizen ?

I can certainly help but it's unclear exactly what you are trying to do. I would setup a consultation with an attorney you feel comfortable with...

It's not entirely clear what you trying to accomplish here. Your best best is to run this by an attorney. This is a complicated process.

I have AOS pending under EB1 category. I have raised an SR and can you clarify the response?

You lawyer may have received notices regarding your application. Best to run this by your company's counsel.

Form I130

Your description of your situation is a little muddled. If her priority date is current. you can file theI-485. If it's not current, you have...

What are my next steps after my GC was confiscated by Border Control? (GC=Green Card)?

You should file to request a new green card. That is the best solution at this point.

Will I ever see my husband again ?

This is a complicated matter. Definitely time to retain counsel and have him review your correspondence with the USCIS.

No, the J-1 program restricts your ability to work outside of the program limits.

Can I adopt a child outside of the United States if I live in the US on an E3 visa?

Since you are an Australian citizen, it would likely make more sense to adopt via your Australian citizenship. Once you become a US citizen you...