Do H4 dependents need to show original i797 at port of entry

My Family was in India and I did a H1b transfer to new company and since they are not physically present, attorney said they did not need to apply for H4 extension. Now I am planning to bring them in repartition flight.

My questions is, the new scanned copies of I797, offer letter and paycheck is enough for them to enter the country?

Any help is highly appreciated.

To be on safe side, you should send scanned copies of your H1B transfer.