Can you add some screenshot. I think if are connected some microflow to that save changes option which does not have any access to your user role. It will not display to you in UI
In a page, containing a dataview adding a Save button will do the trick. That button will commit the changes to the database and close the page.
But related to your community points, it seems you are really new to Mendix. Please take a look at the Mendix academy. This learning path will help you to understand the basics: https://gettingstarted.mendixcloud.com/link/path/31/Become-a-Rapid-Developer