Other BuddyBoss Plugins and Themes
If you want to deactivate/disable the product license key from one website and reactivate it to your other website, go to Subscriptions > Themes & Plugins on your BuddyBoss account then click Deactivate next to the website/URL.
Once done, go to your other website's admin dashboard > BuddyBoss > License Keys to active your product license key.
Related Tutorial: How to manage the license keys for the Theme updates?
On the same page, you can enable/disable the Auto-Renewal of your product subscription.
BuddyBoss App
To deactivate or disconnect your BuddyBoss App ID and App Key, on your BuddyBoss account, go to Subscriptions > Apps > Manage > then on the pop up, click Disconnect.
Once done, you may now activate your BuddyBoss App ID and App key on your other website under BuddyBoss App > Connect.
Related Tutorial: How to connect your BuddyBoss App to WordPress
On the same page, you can enable/disable the Auto-Renewal of your product subscription.