If you want to add additional users or members of your team into Member App to help you then you can.
Look for the top menu item 'Team' and select:
Once selected you can now add team members or sub-users to your account.
Select 'Add user'.
Now a panel will slide in. fill in the information adding your sub-users name, email address, password and role.
Your sub-user will now receive an email with their login information. They will be able to login to your account with the permissions that you've specified. To find out more about the different permissions that each sub-user level includes you can take a look at this article here.