If you would like to see what add-ins and other apps you have consented to (and what permissions you have granted) you can visit this magic URL

https://myapps.microsoft.com

You should see a list of all add-in and apps from where you have the option to ‘Remove’ or ‘Get Info’.

Selecting ‘Get Info’ lists all the permissions granted:

The remove option allows you to remove (revoke) consent. If you were to use the Office app again you would be prompted for consent (permissions) again.