Indeed
While you may not know it, that file is now stored in your 'cloud' IE it's on the internet on a server, a very small part of that server is 'yours'
Do not grant access to the entire world. Provide a link to the original file, from where ever you got it.
One of the issues you could encounter is copyright law by providing access through your cloud account.
That's why it works for you, and no one else. That's what it is supposed to do.
Darn stupid computer always does what I tell it to do, not what I want it to do.