Install auth0 in multisite network wordpress

@vasims - We have documentation for installing on a mutli-site here:

validate user on custom login page and redirect to referrer page?

I’m not clear on your question, can you rephrase please?

How role will be manage for different website ?

Our plugin does not manage roles in any way, it just uses the default role setting when adding a new user.

session management among all website?

Session management in multi-site is handled in WordPress. I explained Auth0’s session management and SSO in your other thread:

Hope that helps!