To get the permlink for a reply is not very easy. But you can right-click and inspect some part of the comment (in chrome) and you'll see it in a tree with lots of other stuff. The reply will look for an id= or data-reactid= that starts with re- and ends with a timestamp and a z .. React might put extra .0.0.0.... at the end, that is not included. It looks like this:

re-mkultra-palantir-tech-refutes-link-to-quantum-bitcoin-mining-firm-20160514t235959195z