Sure. it’s all the rage at the moment, but Joe Biden’s pardon of his son is hardly a novel concept, either as to pardoning a family member (think Charles Kushner) or issuing a pardon on the way out the door. But it still emits an unpleasant odor, both because the president asserted that he would not do so, undermining whatever integrity he had left, and that there is no accountability for the exploit of a power possessed solely by the president.
Presidents have the constitutional “Power to grant Reprieves and Pardons for Offences against the United States, except in Cases of Impeachment.” There’s nothing Congress can do about that.