People who buy overpriced “solutions” instead of taking the time to configure a PC seem like exactly the crowd to enjoy a closed ecosystem (see apple)
You can use FDE and setup a minimal ssh server like dropbear to run at startup. This way, you can supply the password via a keyboard connected to the machine OR via ssh. This gives you a similar workflow to the data partition you mentioned, but encrypts the entire system.
I hate the cloudflare stuff making me do captchas or outright denying me with a burning passion. My fault for committing the heinous crime of using a VPN!
You can use pdfs without touching any adobe software
What’s wrong with pdf?
Don’t get me wrong, I don’t support this. But I can see how the suits at Synology could come to the conclusion that this is a great idea