To fulfill the mitzvah of hearing the Megillah on Purim night and day, you must hear it read from a (klaf) written by a qualified scribe (sofer). Reading from a PDF, a printed book, or a screen does not count for the obligation.
: The conflict between Mordechai and Haman (an Agagite) is framed as a cosmic battle between Israel and the descendants of Amalek. This elevates the local political struggle in Shushan to a timeless struggle against existential evil. meguilat esther pdf