There are three places where you can see the current balance of each account (note that visibility of the certain account may be limited by user's permission in the system).
1. In Accounts & Transactions you can see the current balance on the right side of the window, by sliding and opening the current shift panel:
2. On the Dashboard (also on mobile phones) in Accounts Today (you don't have to open the shift in this case):
3. And in user's Shift Summary: