What is Form I-797? USCIS Notice of Action

I had received my (Notice of action) in last december . Now how.long it's going take for interview....

Amjad

Can I get a license with it ?

Great help thanks 😊 a lot

They cancelled my interview on the day of interview; date of interview was 08/19/2020. because i told them that i work as RN in ER covid facility. Now they told me they will resched, call and mail me for updates of the new appointment but as of now i dont have appointment, call or mail from them. Question now. How can i resched my appointment. hoping for response