How to create multiple Arctera Unified Platform applications (Personal Archive, eDiscovery and Management Console) in Azure AD for Single Sign-On
1) Create 3 enterprise non-gallery applications:

2) Configure Arctera Personal Archive application by following the standard steps of SSO configuration:-
3) Configure Arctera eDiscovery application using the below steps:
-> Click on the application in enterprise apps.

-> Select Set up single sign on.

-> Select Linked.
-> Enter the sign on URL that was generated for PA, only replacing the word "personal" with "discovery" in the URL. Click save.

4) For Manage, follow the same exact steps mentioned above for DA, this time only replacing personal with manage in the final URL.
5) Having followed all the steps above, user would be able to see and launch PA, VAD and Manage from Office365 -> All Apps
How to create multiple Arctera Unified Platform applications (Personal Archive, eDiscovery and Management Console) in Azure AD for Single Sign-On