Tap on the lesson you wish to share.
Tap the Share icon in the bottom toolbar.
Tap the Share icon in the toolbar (note: on smaller devices this may be hidden in the menu under the 3 dots on the far right).
This will open the lesson PDF in Safari. From there, if you wish to share this lesson with a colleague via email, AirDrop, or any compatible third-party app, or print it with a compatible AirPrint printer, tap the share action icon.
Tap either Email or PDF in the menu that appears. The email option will allow you to enter emails to send the lesson to directly. The PDF option will download the PDF to your device, allowing you to open or share it as you wish.
Note on Android: If you choose to email the lesson plan, enter the emails you wish to send it to, and press OK to send the lesson to the designated emails.