Watch this and have your eyes opened to what your ears can hear :)
I can offer you two tips on VCA use. 1. Volume modulation 2. Pan modulation.
This video explains well, and I suggest you patch up something and try this approach. Its a good way to start learning about modulation via vca.
Also, CV is "control voltage" and is sent out in what ever way you command it to.
Also, a kind poster here has this in the tag, take it to heart: "Utility modules are the inexpensive, dull polish that makes the expensive, shiny modules actually shine!!!"