Logitech spotlight forward and back functions don't work on MacBook Pro
Ref: logitech spotlight forward and back funct… - Apple Community
Issue: you have purchased a Logitech Spotlight presentation Remote and the buttons don't work as expected...
Possible solution: Go to System Preferences > Security & Privacy > Accessibility (unlock the padlock with your password) and tick the box next to "LogiPresentation". (don't forget to lock the padlock when you are done).
This should fix it :)