Hi VT - as per my response to your identical question here: https://stackoverflow.com/questions/70692638/ldap-sso-between-portal-built-in-laravel-and-sas
It's hard to be specific without fully understanding your use case, but you could look to handle authentication to Viya using the SASjs Adapter (disclaimer - my team built it): https://github.com/sasjs/adapter
Just set the LoginMechanism to REDIRECTED in the config object to support SSO or alternative login flows. If you need help, my team can be contact on https://sasapps.io/contact-us, else just raise an issue on the github.
We have an implementation on Angular that may help: https://github.com/sasjs/angular-seed-app
... View more