If you see any message asking to provide a purchase code of the bundled plugins, you can discard it or purchase a Personal License on Codecanyon.net, but we can’t ensure that updated versions will work smoothly with our theme as the ones we distributed.
You DO NOT need a WPBakery Page Builder license. Is up to you to buy a license, but the version we provide is tested and working with the theme, so just discard any “update” notice without any worry.
When updating the theme, if any plugin needs an udpate, you’ll see a notice at the top of the screen. Just follow the instructions and update all the required plugins. The update process is like the installation.