Hello Bijoy,
Thank you for reaching out here in the DocuSign Community.
Are you referring to removing a single comment or the ability to make comments?
If it's a single comment, it can not be removed or deleted: https://support.docusign.com/s/document-item?bundleId=yca1573855023892&topicId=ljq1573855001125.html&_LANG=enus
Or if it's the ability to make comments, please view the following link: https://support.docusign.com/s/document-item?bundleId=pik1583277475390&topicId=uqo1652284379256.html&_LANG=enus
Let us know if you need further assistance with this.
Best regards,
Nathaly | DocuSign Community Moderator
"Select as Best" below if you find the answer a valid solution to your issue!