Depending on when the Royal Walk portion of the PFF closes, there may be additional shows for storytelling and coronation. I've seen the last coronation happen at 5:15pm and storytelling around 4:45pm. Check that day's times guide.
Be aware that there is no opportunity for individual photos and autographs during Storytelling. One boy in the audience will get to dance with the princess though. It's still worth seeing, but people should be aware of that.
After the coronation ends, be sure to stick around for 5-10 minutes to see if the princesses come out for a brief meet and greet. A lot of people leave right after the show either not knowing or caring that the princesses may come out for a meet and greet. The show itself offers no opportunities for individual photos, autographs, etc. Because time is limited, choose wisely as you may not be able to see all 3 princesses. I have seen CMs close down the line for a specific princess and turn guests away.