I think many of your basic dimmers with 0-10 V dimming, particularly if they have a Decora style face, are marketed as single pole or three way for the power portion (you just use the common and one other lead when using as single pole). The 0-10 volt ones I have used are like this, but you are only able to dim from one location but can have another three way and unlimited number of four ways for off-on control. I think you need to get into something like Lutron's Caseta series if you want dimming ability from multiple locations, though I'm not certain if they are capable of dimming from the remote locations.