If you have the Sensor integration set up for your floor then you will see the Live View. When you view the floor plan the sensor's state will update automatically for each space. This will display the following:
Offline - the space's sensor is offline
Vacant - the space is vacant
Occupied - the space is occupied
No Sensor - the space has no sensor connected to it
You can click on a space to display the space card will display the "Live People Count".
Serraview Only Configuration
Your Serraview Administrator can adjust how long it takes before a sensor shows up as "Offline", see Maintain Sensors.