The short answer is to restore it:

1. Restore SMS backup

I’m not a Sophos admin, never have been, so I can only speculate but it might be to restore a message that was altered due to the filtering if captured incorrectly.

I’m also not sure why it specifies SMS but not RCS. I do know Sophos uses SMS to communicate between a device and Sophos Central.

Without more context and information it’s hard to say what exactly happening from the permissions KB.

I can’t definitively say it’s not possible but I’ve never heard of an MDM that allows an admin to read user texts. I appreciate the links, it helps to understand where you’re coming from.

I still remain skeptical but, like I said, better to be over cautious than under. I’d be leery of any company that tried requiring me to use my personal device with MDM.

Everywhere I’ve worked with BYOD it’s been optional to use your personal device. If you were in a role that required it you’d get a company provided device.