Bought Unicon Theme - How to update WPBakery

I bought the Unicom theme that came with Slider Revolution and WPBakery.

Looking for info on how to update WPBakery

You can’t update bundled plugins https://help.market.envato.com/hc/en-us/articles/213762463-Bundled-Plugins

The author has to update the theme package and any plugins included