You can check your subscriptions from the Office365 by logging in at

Once logged in, click on your avatar in the top right and select the 'View account' option.

This will take you to your account overview with a navigation pane on the left hand side.

The bottom option in the list will allow you to review Subscriptions on your account:

Scroll down to the bottom of the list, where you will see PowerBI Pro, should you have the license linked to your account:

For more information regarding PowerBI licenses, please visit: