Error message "Revocation information for the security certificate for this site is not available.

Hello,

Sorry for the delayed response. 
Something is restricting this certificate in your network or some system policies from this certificate for communication. 
You can try on one of the machines, right-click on the Acrobat icon, and choose "Run as administrator." Check if this makes any difference. 

Let us know how it goes. If you already have an answer to this problem, please reply to this thread about your scenario. 

For more information related to a similar issue, you may check this discussion out: https://answers.microsoft.com/en-us/windows/forum/all/error-message-revocation-information-for-the/1a6559d4-f45a-442a-b1c4-6844f9cd447b