If you have enabled one or more of your customers to self-service their licenses, you may also want to allow them to adjust subscription quantities. To enable this for a customer you must:
For information on how to enable self-service for your end customers you can read this article.
Disable Auto License Adjustment
Make sure you've selected your own (partner) organization in the upper right hand dropdown. From the SpinPanel side menu, navigate to Settings > Relationship settings. From the Relationship dropdown select the customer and click SpinPanel settings to open the SpinPanel settings pane. Click the Edit button and make sure the option Auto license adjustment is disabled.
Grant permission to change the quantity
Select the customer organization in the upper right dropdown. From the SpinPanel side menu, navigate to Settings > Role management. Add a role or edit an existing role and make sure the access control Subscription > Subscription quantity is enabled.