Hi Amara,
Currently, the Image Editor component does not support polygon annotations.
We have considered your requirement as a feature request and logged a report for it. You can track the status of this feature using the following feedback link:
Feedback: https://www.syncfusion.com/feedback/65019/provide-polygon-annotation-support-to-imageeditor
At this time, we are unable to begin the implementation of this feature immediately, as our current priority is addressing bug fixes and previously scheduled features for upcoming releases. Once we have more details regarding the development timeline, the feedback status will be updated to "Scheduled" with an estimated delivery period. We appreciate your patience and understanding.
Regards,
Jaganaath B