H1B Visa stamping

I recently received approval notice I-767C for my change of status after a long time. I’m planning a trip back home next month and need to fill and submit DS160 for scheduling a visa interview.

Do I need to wait for my lawyer to receive the original I-767 before I can proceed with my process. If so how long is the wait time to receive the original I 767.

You may go ahead and book the slot. But, it is recommended that you wait to see the physical copy from the attorney to see that everything is correct on it. It should not take more than 2 weeks.