From this blog you will learn more about Elementor Notes feature that has been released with the latest Elementor update. Also another alternate solution like Templately which has a cloud-based WorkSpace to streamline your page building experience.
Introducing Templately WorkSpace: Seamless Cloud Collaboration for Elementor
Looking for a way to share your favorite designs with your team? We've got you covered. With Templately WorkSpace, you can now easily save, share and manage your favorite templates with your team members at anytime, from anywhere.