Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Try this on your iPhone:
Your sticky notes also sync with the web. Go to www.onenote.com/stickynotes to view them. You might have to log in to your preferred browser with your Microsoft account credentials. - I suggest doing this on the iPhone and not on the laptop.
For some reason it doesn’t show on the web browser but shows on the iPhone browser.. Hope that works and helps