In what context. a JSF application gets deployed just like other applications. it is placed into a war file and copied into a deploy directory of JBoss.
That war file follows the J2EE spec for creation, just as if it was simply jsp and servlets.
Section 5.7 is entitled Configuring JavaServer Faces. In there we talk about how to add JSF to an application by configuring the web.xml file. Mark is correct in saying that the deployment process is the same for any web application.