Sending a comment within Multilevel approval
Within the multilevel approval process, approvers can add comments for the next approver in the chain. To do this, click Approve Catalog. A new window will open, prompting you to enter a comment if desired.
This functionality is automatically enabled in multilevel approvals.

Approval overview

Approval note
Approvers can view comments added during the approval process by clicking the three dots in the top-right corner and selecting Approval History.

Approval history

Approval History comment