As per Terms of Service 3->d->ii following restriction is applied.
ii. Operate more than one Storage Node with different Payment Addresses on different Storage Nodes
So to answer your question you HAVE TO use same payment address
As per Terms of Service 3->d->ii following restriction is applied.
ii. Operate more than one Storage Node with different Payment Addresses on different Storage Nodes
So to answer your question you HAVE TO use same payment address