Do you mean at the CR? If so, then no, most of the GW, GV rooms do not have a view of the monorail. The CR tower rooms that are Bay Lake view do not have a view of the monorail either.
If you mean the Poly or the GF, some standard/garden view rooms have a view of the monorail and some do not. I would put a view of the monorail as a request in order of its importance to you.
Sago Key rooms in the GF have some nice views of the monorail across a little bit of the lagoon. If you do request a room there, however, be sure to request a room furthest AWAY from the convention centre. There is an group of rooms near there that have an issue with hearing beeping noises from delivery trucks or what not. That can be disturbing, especially if you are a light sleeper and want to sleep in. At the end away from the Convention centre, the view of the monorail is quite nice, IMO. Some lagoon view rooms in the GF also have monorail views that are very nice.
In the Polynesian, some standard rooms in Rarotonga or Aotearoa have views of the monorail.
Good luck!