Yes, during approval or rejection of the recommendation, one can record or provide the remarks under the "Confidential Comments" section. The figure within the brackets indicates the total exchange of notes.

These comments will be confidential and can only be viewed by the managers or privileged relationship.

PS: Synergita implementation for your Organization may vary from how the features are described here. The screen shots given here may also be different from what you see in your system. Please talk to the concerned person in the Organization for any specific queries.