Hi Ivan,
Thanks for contacting Syncfusion support.
We have checked your query.
Currently we don’t have comments support in spreadsheet. However, we have
already logged this feature request and it will be available in any of our
upcoming releases. You can track the status of this feature using below link
from our feedback portal. We appreciate your patience until then.
Feedback link: https://www.syncfusion.com/feedback/24927/need-to-provide-comment-support-in-ej2-spreadsheet
Please get back to us, if you
need further assistance.
Regards,
Thaneegairaj S