You can leave a workspace if your user role is set to "Admin" or "Member" role.
To leave a workspace, please follow these steps:
Visit your Workspaces & Collaborators page.
Locate and select the workspace you want to leave.
Click three dot menu for this workspace in the top right corner.
Click Leave Workspace.
After selecting "Leave Workspace," you will need to confirm your choice by clicking "Leave" button.