To connect your WP Time Capsule account with IWP admin panel 

Go to Settings --> WP Time Capsule 

Enter your WP Time Capsule credentials and click Grant Access

Once you successfully granted access, you can manage your WPTC backups under Protect --> Wp Time Capsule

You will be seeing the below screen.

Right now you will only be able to see the backup progress and available backups on your WordPress sites. We will be improving the features of our addon with the upcoming update releases.