When you edit a design, Photoroom will save it automatically when:
You navigate away from the editor, for example, if you select X to close the editor or if you select Home on the Web App version.
You select Export (mobile versions of Photoroom)
Photoroom saves the design in the workspace that you are working in. You can find saved designs in Your Content for the relevant workspace.
When you export a design, you also have the options to:
Share a design with other users and control whether they have permission to edit it.