Configuring Approval Flow

As an Admin, you may also be responsible for configuring approval flow for the requests generated via the ServiceNow Service Portal Integration for Identity Security Cloud. The way an approval is processed depends on it's configuration. The following three types of Approval Flow are available:


This is the companion discussion topic for the documentation at https://documentation.sailpoint.com/connectors/servicenow/service_catalog/help/integrating_service_catalog/configuring_app_flow.html

Hello,
Is there a specific auth authorization flow required to use approval workflows? The ServiceNow Store mentions OAuth2 connection. However, this documentation does not seem to mention that.