Hey,
No, but that difference is pretty significant.
You can think of work notes is as you and your team discussing the technical minutia of fulfilling the task. Stuff the customer needn't know, but executors might.
Comments / Watch_list on the other hand is you discussing the work with the consumer formally.
Also, refer link,
https://community.servicenow.com/community?id=community_question&sys_id=ff9257a1db101fc01dcaf3231f96...
Thanks
Tanushree
