Organization level Feature Gate Policies are an Enterprise only feature.
Overview
Feature Gates Policy grants organization admins the ability to: Configure the Custom Fields leveraged in Feature Gate targeting: With this setting, admins can pre-define allowed Custom Fields by ID type, add a description to provide more context on the Custom Field to end users, and pre-define the allowed values. Defining allowed values is optional.Where can these be configured?
Organization Gate Policy can be managed in settings by visiting Product Configuration > Feature Management > Organization tab. Only organization admins have the ability to modify these settings.