Originally Posted By: TRYUK
You will need to be online to use the voices as they refer back to the Synthesizer V site in real time to access the database.

This is so wrong that it is almost right again smile

The voice databases are installed locally on your hard drive, and Synthesizer V runs without a network connection. I know this because my DAW is usually offline.
When installing (or updating) the app and/or the voice databases, an internet connection is more convenient, but also not necessary.