Check User Roles
First login As Admin to check and edit, only Admin has rights to change and edit the permissions for making any modification to the users.
Click on People tab and then select Roles inside you can find the all user list and their role type and username.
Inside the roles, there is a different standard of permissions so you can choose to assign to each user and permissions to operate and edit etc. after selecting the permissions click on create button, and then refresh the page to see the changes of the user roles.