To see what pitches a song is associated with you can click the status of a song in the catalog view or just view the Pitching tab of the song project.
View associated pitches via catalog page
1) Right-click a song in your catalog and select Pitch stats.
This will show you all of the pitches that the song is associated to.
View associated pitches from song project
1) Open a song project by double clicking the song or clicking the song title in your catalog.
2) Now that you're in the song project, you can click the Pitching tab to see all of the pitches that the song is associated with.