In the Data View you have fast access to graphs and you can specify any combination of sensors to show in one graph by selecting several items from the sensor list using your mouse – But: you can not change the layout and look & feel of the data individually for each sensor nor can you arrange your own layout of graphs and tables.
This is what “Custom Panels” are used for.
PRTG Traffic Grapher is an easy to use Windows software for monitoring and classifying bandwidth usage. It provides system administrators with live readings and long-term usage trends for their network devices. The most common usage is bandwidth usage monitoring, but you can also monitor many other aspects of your network like memory and CPU utilizations.