User Activity

Is there a way to hide a specific tech on a certain day if they're not available? Example: I have 3 techs who don't work Friday. I would like for them to not appear on my Friday schedule. I realize there is an edit button to "check in" in the setting...
Is it possible for ST to create an alert for when a tech adds a note to a job? All other dispatching softwares I've worked with has this option. It is not productive to have to constantly check jobs multiple times a day to make sure we aren't missing...