The only way to get access to birthdays for staff is via the What’s Happening widget and teachers can if they wish, chose to not display this. 

Likewise student birthdays display here or on the student profile. 

 There is a report in Profiles 1 that will allow you to display DOB and print this information. 

Go to Profiles 1 > Reports > Class list. There are options to tick on/off items to display and print. DOB is one of them. 

Admin Enquiry will have reports that have DOB.