The access to the page used as “frontend dashboard” is limited to administrators and shop managers only.
In the event of unauthorized access, the system prevents the user from any action showing a notification message.
You can edit the message title and content from the plugin settings dashboard.
Prevent shop manager from accessing the backend
To prevent all “shop manager” users in your site from accessing the WordPress panel, you need to activate the entry “Prevent Shop Manager Backend Access” in the plugin settings dashboard.
WordPress admin bar
You can remove the WordPress administration bar, usually shown in the backend on top of the page, by enabling the entry “WordPress admin bar” in the settings dashboard.