If you are running EZD2 version 2.0.2, you won't have the Sonar options. If you go to Toontrack.com and click on MY ACCOUNT at the top of the page and then go to My Products and click on the EZDrummer 2 thumbnail, it will take you to this page where you will see an Updates Tab.

Download this file and update EZdrummer 2. After the update, if you don't see version 2.1.1 at the bottom of the page then EZD2 is not where the update program expects it to be.
If you still have problems, then check the version number of the standalone and the VST version and post what you find.