How many columns can I add under the Monitor tab and what are they?
Professional Plan
Professional Plan lets you add a total of 5 unique monitoring columns from the list of all column types that Zoho Social provides.
Premium, Agency, and Agency Plus Plans
If you are on any of these plans you can add up to 15 monitoring columns out of all the column types available on Zoho Social.
Monitoring columns are not available on the Free and Standard Plans.
To know more about the different column types on Zoho Social, head over here- https://help.zoho.com/portal/en/kb/social/user-guide/monitoring-conversations-on-social-media/articles/social-media-monitoring#Types_of_Monitoring_Columns