Hi,
you can change submission in backend list view.
Go to ContentBuilder-Views-View-Advanced Options-Display in-select Both, then you can see list view in frontend and backend.
In Content Builder-Views-Permissions-you can set permissions for backend and fronted (here you can set what user can do )
In persmissions tab-Backend-you can set permission what you can do in backend (edit, delete, etc).
In Components-ContentBuilder Views-you can select your backend view
Let me know if you need more help
Regards,
Tihana