New leave dashboard definition has following features,

It shows all the employees to admin only with leave information and supervisor can see employee under him only.
Information shows employees leave balance from total,leaves taken,approved leaves,unapproved leaves,etc.
Also shows absent days with date,late,early arrival of employees.
We can send email,sms to employees from here just by one click.

All these information will help authorized person easy supervision over employees leaves status.

Find screen shots for the same.