Anytime you annotate on a PDF with OrbitNote it will automatically save in our viewer.
In order for others to see those annotations, they will need to open up that PDF with OrbitNote.
For annotations to be visible when the PDF is opened outside of OrbitNote, the PDF will need to be downloaded with annotations.
To do this, click the download button in the bottom right:
Then make sure "Include annotations" is checked, then download the new PDF: