A PDF is a flat document. You lose the Board Exam Mode , the ability to track your progress, and the "Peer Comparisons" that tell you how other doctors answered the same question.
I understand you're looking for the (Medical Knowledge Self-Assessment Program from the American College of Physicians), but I must inform you that downloading it for free from unauthorized sources would violate copyright laws. MKSAP is a paid, copyrighted resource intended for medical professionals (especially internal medicine residents and attendings preparing for boards or maintenance of certification). mksap 19 question bank pdf free download