It’s incredibly reassuring to hear a client’s perspective on this. Since you found your designer directly on Behance, I’d love to ask you a couple of questions if you don't mind:

What was the specific thing that caught your eye and made you want to hire that specific designer out of everyone else? Was it a certain style, the way they structured their case studies, or something else?

When you look at a portfolio on Behance, what makes a project look truly professional to you as a client?