Personally I never really liked WHM/cPanel, it's so bloated. I am happy to move here to use SSH and simple free Panels to get the work done.
For adult contents, here is from TOS Restrictions:
"Transmit, distribute, post, store, link, or otherwise traffic in information, software, or materials that is offensive, abusive, inappropriate, malicious, or detrimental, including, but not limited to, those that: Are obscene, fraudulent, or discriminatory. DigitalOcean permits adult websites that abide by state and federal law and regulation."