ProPress fittings are meant to be a permanent fixture in your home and not to be removed or replaced.
ref https://plumbingzones.com/how-to-remove-a-propress-fitting/
To remove it is recommended to use trained professional. If you are DIY and have the knowledge and the specific tools, it is possible to remove and replace a ProPress fitting by yourself.
To replace use shark-bite type, those can actually easily removed if needed.