You can manage your Add On Preferences within the UserGuiding Panel, Settings page under the Subscription Tab.
Here's a list of our Add Ons (which may vary depending on your subscription plan):
Extra Team Member
Once you configure the Add On settings, one of our team members will immediately contact you to confirm and apply the changes to your account.
You can also use this form for the different types of Add On requests that you couldn't find in the Add On Management field.
If you have any other questions, you can contact our support members.