No, V does not reveal his face to the reader.
According to the reference provided:
V's true identity is a mystery, and he visibly removes his mask only once during the entire story (at Surridge's request), at which point his back is to the reader.
This clearly indicates that while V does remove his mask once, his face is never shown to the audience. The moment is intentionally obscured. Therefore, V does not reveal his face.
