Firstly make sure you have the correct permissions/ roles to view this. If not please speak to the Main Administrator within the school.
Once in BromCom go to Modules > Communication > Overview.
If you wish to view previous days sent out emails, you can simply press on the Date underneath the Credit Remaining and this will change the view of how many sent messages.
If you select on Emails Sent This Week, you can see what parents it has been sent to.