I stayed at the Four Points back in the summer and while it's close to the Falls, I doubt many of the rooms have anything more than the tiniest sliver of a view of the Falls, if that. If you're intent on getting a room with a view of the Falls, you may have to look elsewhere or at the very least confirm with the hotel that you have a Falls view room.
That said, it's a nice hotel and a good value... I'd stay there again regardless of the lack of a direct Falls view.