Recent Army Educational Delay data on the Accessions Briefings don't include any PA's unless they are included under the Medical Specialist category. I am not sure if PA has a path via Army ROTC. An Army Healthcare Recruiter might be able to answer some of your daughters questions though as Dr Mom indicated she may have to contact someone at Cadet Command.
Here is the IPAP program website. This PA Masters degree and 2 years experience are required prior to specializing in the Baylor program linked in the previous post.
http://www.cs.amedd.army.mil/ipap/ Each service has a link to their PA program from here under the Prospective Students Tab.
Is her current scholarship still in the Nursing 'mission' or is it now a 'line' scholarship? PA programs are tough, as are the prerequisites.