How can I add my suppliers in bulk to a third party service?
How to enabled Application Gateway Widget for a supplier?

You can add suppliers in bulk to third party services by following the below steps:

1. Sign in to the SAP Business Network.
2. Under [User Initials] > Manage profile
3. Click Third Party SSO Service Subscriptions Configuration.
4. Click Download latest template version
5. Fill out the template and save it.
6. Back on the SAP Business Network, enter a Name for the file, select the file to upload, and click Upload.

How can I activate the Application Gateway, to enable my suppliers with access to non-Ariba applications via SSO?

SAP Business Network for Procurement & Supply Chain