Check if user logged in

That’s not possible possible out of the box. If you’re willing to get your hands dirty with some coding, you could write a custom javascript function that detects if the user is logged in or not (based on the body class). This is a bit more advanced, so it requires conditional fields PRO.

https://conditional-fields-cf7.bdwm.be/advanced-conditional-logic-with-custom-javascript-functions/