Acrobat Pro Comment Formatting Iphone Email App

Hi there,

I am using Adobe Acrobat Pro 2020. In the past few months I have noticed an issue when viewing PDFs on my iphone in the email app.

Here is a specific example.

I will open a PDF on my desktop using Adobe Acrobat Pro 2020. I will use the comment tool and add text callout comments all throughout the PDF. I will save the PDF and then email the PDF to my colleagues. If my colleagues open the PDF on their desktop they can see all of my comments in the correct formatting.  If my colleagues open the PDF through the Acrobat Reader app they will see all of my comments in the correct formatting. If my colleagues open the PDF in the default Apple Mail app (the default one that comes on the iPhone) the text callout comments get reformatted. The arrows from the text callout don't show up. The location of the text callout boxes get moved and reformatted, etc. This didn't use to happen, but it has created a real pain when it comes to marking up PDFs on my desktop and then having a colleague try and look at it on their phone while they are traveling.  Please let me know if this is something that can be fixed or if there is a setting on either the Acrobat or the maill app that I need to change so that the formatting of the comments doesn't change when using the mail app on the Iphone.