This is the best on the market:
However, methods like hideMenuItem & hideToolbarButton are restricted. So you can only use them under special security conditions stated in the same file linked above.
version 5 has some very excellent documentation about the field object UI for the various form Fields.
If one goes to the Acrobat Developer Center and uses the Working with Distiller, Fonts and more and the uses the PDF Open Parameters one gets the documentation from the version 9.0 SDK form June 2008. This document probably has not been updated since then. Another issue to consider is the changes in IE, the number of new web browsers, and the introduction of HTML 5 all of which could change how parameters are passed or allowed. This technique has always been problematic.
Within an external viewer, it is not possible to show/hide the toolbars.