创建、编辑、导入和导出批注。支持超过 20 种工具和可自定义的属性，包括高亮、下划线、手绘、折线、多边形、云朵、圆弧、指示批注等。
Annotation Permissions
Support customizing user access with 3 permission levels: Admin, User, and Read-only. Select one of them based on your needs.
James(Admin)
William(User)
David(Read Only)
Admin: All Annotation permissions. Can add, edit, or delete annotations, measurements, and forms created by anyone.