When you change any of the options in the Preferences dialog box, they are stored in a folder called Toon Boom Storyboard Pro. You can copy this folder if you want to use the same preferences on a different computer.
C:\Users\[user_name]\AppData\Roaming\Toon Boom Animation\Toon Boom Storyboard Pro \full-14200-pref
macOS: On macOS, the Library folder is a hidden folder. To display the display the folder, hold down the Alt key when displaying Finder's Go menu.