Hi Jayendra,
Currently, document editor doesn’t provide support for insert and edit chart. We already logged the feature request for this. We don’t have any immediate plans to implement this feature.
You can track the status of feature from the below link:
https://www.syncfusion.com/feedback/24735/support-for-inserting-and-editing-charts
We will update the status of the feedback link once it is taken for implementation. We will update you once feature implemented. We appreciate your patience.
Regards,
Dhanush Sekar