Check the "chord diagrams" screen in the player. You can also select bass-clef and view scales in notation.
If you want to transcribe or view the (walking) bass-lines constructed by the player (new accompaniment each time), you can export the midi-data and use outboard equipment and software to display it.
iReal pro is a chord-chart app. The developer has provided information about the notes contained in each chord and where those notes are located in different voicings/positions. What to play is up to the musician.
)BOB