Yes! In the Location > Settings > Money section for all OS2 jukeboxes, you will see a setting on the bottom right called Money Settings Access:

This disables the modification of money settings from the jukebox manager screen (i.e. Free Mode, Promo Credits, Surcharges and more).  

By default, money controls are enabled, meaning all employees and location staff with a jukebox key will continue to be able to view and modify money settings on the jukebox manager screen.  When money controls are disabled, these options are greyed out and can only be managed on Tempo by users who have appropriate permissions. All pricing controls are disabled on the jukebox’s Money > Options screen: