¿Es seguro contratar planes desde el chat de la web?

Why do you not go to Cloud Plans https://creative.adobe.com/plans

Adobe chat is here (Make sure to sign in to your Adobe account first and allow popups and cookies in your browser. You may not be able to see the chat window if using a VPN.):
https://helpx.adobe.com/contact.html?rghtup=autoOpen will automatically open the chat window.
Type "Agent" in the chat box to bypass the chatbot and be connected to a person.

if it's adobe's chat, yes.