Users may want to avoid logging in directly via a browser using a privileged account and ADFS form based login helps alleviate this requirement? A password-less solution could potentially be used that will open the URL in a web browser.
The URL will auto redirect to an ADFS page for authentication. On an ADFS landing page, automation enters the credentials and logs in. On a successful authentication, ADFS will auto redirect to the App landing page with successful login.
Security Analytics does not support ADFS form based login. Security Analytics does support OAUTH for authentication.