Hi @Raymond_Stakenas,
adding to what @Nickie_Foenshauge wrote, you have a property to decide locally how the sf/sfz should appear, which you can also set globally in Engraving options. The sempre you can add also as suffix:
You can create the sfp a playing technique, setting also the playback technique to sfp (or substitute one of the other glyphs for Force/Intensity of Attack, in Music Symbols):
