Hi there! For me, the list of keyboard shortcuts is also not under the eye icon, but instead, the gear icon for Settings: 
However, keyboard shortcuts for Canvas can be turned off, meaning they would also no longer work in your SpeedGrader environment! This is generally done by going to Account -> Settings -> scroll down to Feature Options -> Disable Keyboard Shortcuts

If you see that you have not disabled keyboard shortcuts and they still aren't working for you, I would recommend contacting Canvas Support, as the keyboard shortcuts have not been removed from SpeedGrader, so this would be a glitch you're experiencing that they should help resolve.