How can I tell if I am an administrator for my company Facebook page?

ContentMX Knowledge Base, Using the Platform

To connect to a Facebook Page you need to be an Administrator for the company Facebook page. To confirm that you are an Admin on your company’s Facebook page, log into your personal Facebook account look under Pages (on the left sidebar). Look for the Your Pages section which can also be found here: https://www.facebook.com/bookmarks/pages 

If you are an Admin, your company’s Facebook page will appear in this list. If you are not an Admin of the page, contact the page administrator who can assign a role to you. Have your Facebook page admin follow these steps: https://www.facebook.com/help/187316341316631