During your training, you will have the option of using your presentations in PDF format.
You can upload your PDF files with a maximum of 10Mb.
You can always manage your files from the "My Account" section in the side menu.
Also, you have the opportunity to upload a new file when you are going to start a new practice.
Once the file is uploaded, just tap the thumbnail you want to use.
You will notice it highlighted with a green check that indicates that it is selected.
This is the presentation you will preview during your practice.