To be clear, when you talk about using SSO with all your applications, are you talking about A) all of the applications your team uses e.g. SaaS like GDocs or AirTable or whatever or B) the application you are creating? e.g. in lieu of your own database?
Both. As much as possible. You'd like as many of the answers to questions about "how do you manage access to this application, know who has access to it, and ensure that people who shouldn't have access to it don't" be "screenshots and logs from your SSO system".
Or maybe you mean for both?