On PC, copying/moving the save to a new profile folder would reset the tutorial messages. Or starting a new game in a new profile. Each save is a folder in the '..\Documents\Larian Studios\Divinity Original Sin Enhanced Edition\PlayerProfiles\ <ProfileName>\Savegames_patch' folder.



To re-read the messages, open the Log (right trigger) and switch to the Tutorial section.



For the controller functions themselves, hit the Start/Options button (if you've loaded a save), select Options from the game menu and then Controls.