FanDraft does allow to show up to two (but NOT more) displays at a time via the UNDOCK.
However, the "How to" for setting up more than one TV or display is a hardware related question, and not particularly related to FanDraft software itself, and thus we are limited in our ability to offer support.
However, here are some useful resources:
- How to connect multiple TVs to one source
- How to split video's from laptop to 2 TV'S Using HDMI
- Can you use one apple tv to control 2 TVs?