Can approved H1B withdrawal possible?

My employer filled H1B and approval came in jun 15 after that employer sent cancelation(withdrawal on 21 Jun) request but now USCIS show “Dicision”.

I dont have original receipt of approval letter, Offer letter, petition letter.

Now, i can i go for stamping ? if yes then the offer letter i have had last date of joing date was 15 of oct(not original) scanned copy.

i am not sure, Please help me.

thanks,

OK

No, you cannot attend interview without original approval letter at all. You wont be even let into the consulate without it.