I had the same case before if using AP or H1B. My lawyer told me no problem to use AP, and the INS official also told me no problem to use AP when I returned US.
In the worst case, even if your I485 is denied, you can use your I-797 to re-apply the H1B VISA if you go abroad.
In the worst case, even if your I485 is denied, you can use your I-797 to re-apply the H1B VISA if you go abroad.
