Yes.

The demon was not happy, but the contract he had signed was ambiguous on whether he could resist an order to take back control. Mr. Gray decided that risking Samson taking the case to the Immortal Court was too big.

Whatever, there's more tail in the sea.

Samson didn't resist letting a grin onto his face at making Gray back down. The demon knew just how happy he was, anyway. He used his own feet to walk out of the door of the shed, and past a very confused and half-naked Violetta hiding in the trees.