docs: update stale information (#4790)

www/docs/content/user-guide/users/team.mdx

@@ -20,6 +20,12 @@ You can view your team by going to Settings → The Team.
 
 To add a new user to your team, you must invite them. Invites are sent by email, but you can also copy the invite link and send it personally to the user.
 
+:::note
+
+By default, your store doesn't handle sending invites to the user through a notification, such as an email. Your developer team must setup and configure a Notification service that handles this functionality.
+
+:::
+
 ### Invite a User
 
 To send an invite to a user:
@@ -29,6 +35,12 @@ To send an invite to a user:
 3. Enter the user’s email and choose their role.
 4. Once done, click on the Invite button.
 
+:::tip
+
+A user's role doesn't actually change the user's privileges. All users have the same admin privileges.
+
+:::
+
 ### Resend an Invite
 
 If you want the user to receive a new email with the invite link, you can resend an invite to them.