commercial privileges

My friend is currently training for her commercial pilot certificate and asked me a question about her specific case in terms of if it would be legal to fly as a commercial pilot in a part 91 flight. I wasn’t too sure and now I’m genuinely curious what you all think of it as well. So here’s the...

Looking at 61.133 (a) Privileges - (1) General. A person who holds a commercial pilot certificate may act as pilot in command of an aircraft - (i) Carrying persons or property for compensation or hire, provided the person is qualified in accordance with this part and with the applicable parts...