Question 1. Reader and Acrobat behave the same regardless of the form
type. See
http://help.adobe.com/en_US/livecycle/8.2/static_dynamic_diffs.pdf for
an explanation of static versus dynamic forms.Question 2. There are
export and import data functions that enable XML form data to be shared
amongst users of an interactive PDF form. A good place to start is the
LiveCycle Designer help. There is a section on Getting Started. See
http://help.adobe.com/en_US/livecycle/9.0/designerHelp/index.htm.Steve