Click on your account name in the top right corner and selecting the “Team Members” option.
Once on the “Team “Members” page, click “Invite” in the upper right corner of the page.
A window should appear prompting you to enter the email address of a team member.
You will be able to manage the permissions that they have.
You will then receive a notification in the top right hand corner confirming that you have successfully added a team member to your list.
Watch this video.