Yes. You must register your orgs with Conga Upgrade Program individually.

Yes.

No. It would help if you had a System Administrator profile to register your org with the Conga Upgrade Program.

Yes.

It provides full access to users with a system admin profile for the new and updated components as part of the upgrade.

Conga Upgrade Program handles dependencies with Conga published packages.

Yes. Conga Upgrade Program can handle dependencies with non-Conga packages. Currently, Conga Upgrade Program handles the installation and upgrade of Adobe Sign (non-Conga package) for the latest Conga CLM (Conga managed package).

No, Conga Upgrade Program uses the OAuth mechanism that authorizes the Conga Upgrade Program system to access the given org through the exchange of tokens.

Conga release managed packages of an org should be on Spring ’17 release or later.

Please contact the Conga Technical Support team and raise a case for the issue. 

Yes. You must re-register your sandbox after refresh.