Hey @Steven,
Thanks for reaching out.
Our plugins themselves don’t actually render sidebars or handle the placement of them, so that is likely a feature of your theme. I would recommend contacting your theme support or reading theme documentation for more insight about building sidebars there.
One thing that might help, however, is to try out some different Events Templates. You can change this option by heading to Events → Settings → Display in your site’s /wp-admin, and then trying out all of the different “Events template” options there. Try each option: select a template, save the options, and then look at the Community Events page to see if the presence of the sidebar changes at all.
Best of luck with your site!
George