Inês Vaz trained as a theater director at ESTC (Escola Superior de Teatro e Cinema) in Portugal. Throughout her career, she has worked with renowned directors, including Miguel Loureiro, Mónica Calle, and Mónica Garnel, as well as with companies such as Teatro Praga. Her theater experience is varied, reflecting her versatility in portraying a variety of roles.

In 2024, Inês Vaz starred in the film "On Falling," directed by Laura Carreira. The film tells the story of Aurora, a Portuguese immigrant working as an order picker in a distribution center in Scotland, exploring themes of alienation and isolation.