First you will need to either download the Sonos app, which you can do from the Apple Store, and Google Play Store, or an additional way to control your Sonos is through the Web app: https://play.sonos.com/
Instructions
Once you have the Sonos app installed on your device and have added 'Pandora CloudCover as a Music Service, or you have logged into your Sonos account in a web browser and done the same, please do the following:
Select Pandora CloudCover under the 'Your Services' section
Select Station Remotely (Zone 1)
Use the Pandora CloudCover web or mobile app to select a station or Daypart that you would like to stream. Click Play Now.
Go to the Sonos app - Click the Play button.
When a station is changed on the Pandora CloudCover web or mobile app, go to the Sonos app.
Click on the three dots.
Click Play button to start the new station or Daypart.
To Pause, Skip, and Volume control please use the Sonos app or Sonos Web app. To Thumbs (Up/Down) and view Stream History, please use the Pandora CloudCover app.