No, it doesn't mean he knew what was going on. The question we have to ask ourselves is about his responsibility, as a citizen with full access to the information, for knowing what he was contributing to (a US sex trade that is at least in part connected to slavery and coercion.)
And to be clear, the information that's coming out now from authorities down there is that this was far more than just happy endings to massages.
“I would never consider them prostitutes — it was really a rescue operation,” the sheriff said, training his anger at the men whose demand for sex kept the massage parlors in business. “The monsters are the men,” he added.