As part of your onboarding, you may have been asked to add an Admin, Editor, Moderator, Advertiser, Analyst or Community Manager to your Facebook Page.
Read the latest official Facebook guide on how to add Page Roles here:
https://www.facebook.com/help/187316341316631/?helpref=related_articles
Not sure what the different Page Roles are and what they allow?
Check out this page for more information:
https://www.socialnatives.co.za/learn/the-different-facebook-page-roles-and-what-they-allow/