Yes, example projects on Creator Start page, "Find Example Project" link,
have several examples using A/D. Aslo search the forums there are a
number of users that have done accelerometer designs. Also in example
projects there are USBUART and UART projects for the communication to the
To plot data take a look at http://www.parallax.com/downloads/stampplot-pro-software
If there any serial monitor is available like Arduino IDE
Displaying data on PC depends on the development kit you use. If you have got a CY8CKit-050 use the Display, when you have got a CY8CKIT-059 look into documentation for USB-UART bridge.
Creator software itself does not display any variables except on a breakpoint.