When someone submits a request that is easy to answer with one of the existing answers you can easily send it back to the employee without having to copy-paste it from anywhere.
When writing a reply, click on the 📄 icon in the bottom bar
Select the right answer from the list
You can pick multiple answers to be attached to your reply
Don't forget to write a message as well
Send the reply to the employee
The employee will then receive your message, as well as the full content of all attached answers via Slack or e-mail, as with other notifications.