I give you my opinion if in your shoes: If I had to wait twenty days to get some concrete feedback on an audio forum ...
Within 24 hours I would have got those informations from online manuals.
The Yamaha receiver you're interested in; it should give you that info in the online manual.
Look @ the rear of the receiver also for preouts for zone 2 and 3; normally it's the higher end receivers that sport those RCA jacks. And in the manual it will also tell you if zone 2 has independent volume control, same for zone 3. Plus it will indicate how various options you have to make the connections, with graphs, and with additional stereo amps.
You also have the HDMI connection that you can use for another zone, or two. ...With your music you can also have a different picture in another room, or two. Some receivers will allow you to have music in two more zones without additional amplification. Plus they will allow you to use two different sources from your prime listening/viewing room. Independent volume control for two or three zones is also possible in some receivers.
There are so many possibilities depending of the receiver's features offered.
I gave you two very good links on this.
Are you asking for us to look for you? You have already everything you need with those two simple links, that you could have got easily without me looking for them. ...Right?
Cheers,