Receiving a notice of appointment from the Secretary of the Commonwealth and obtaining a rubber stamp seal from a notary supply company does not mean that you may begin notarizing documents.
oath of office
One of the top reasons notaries get in trouble with the Department of State is that they did not complete the commissioning process of getting sworn in at their respective county recorder of deeds office. Subsequently, they were fined, had their commissions suspended and were ordered to take a six-hour notary education course. If they notarized documents before getting sworn into office, they were, in effect, impersonating a notary.