Yes. In fact, it's encouraged. When you follow another creative, everyone in their WNW network, as well as yours, will see the notification. In turn, more of the creative community will see your work. The multiplier is quite considerable.
You will both need to follow each other to view each other's social media links and portfolio, as well as to Vouch. We do this because it reduces the likelihood of headhunters abusing our platform and sending Creatives unsolicited requests elsewhere.
Having Followers also looks great in the eyes of the Hirers in our community, because it shows them that you're active in the community and your industry as well as a talented creative professional.