In most all windows applications there are separate Cut, Copy and paste key sets for left handers as adopted from a very old IBM standard on user interface design. I.e. Copy is <CTRL>+<INS>, Paste is <SHIFT> + <INS>, etc. These should be available in Qlik cloud (SaaS) as well.
NOTE: Upon clicking this link 2 tabs may open - please feel free to close the one with a login page. If you only see 1 tab with the login page, please try clicking this link first: Authenticate me! then try the link above again. Ensure pop-up blocker is off.