From the HN FAQ:

> Are paywalls ok?

> It's ok to post stories from sites with paywalls that have workarounds.

> In comments, it's ok to ask how to read an article and to help other users do so. But please don't post complaints about paywalls. Those are off topic. More here.

https://news.ycombinator.com/newsfaq.html

You can pay for the paywall, or there are ways around.