access to (someone or something)
The ability to use or reach something or someone, through any number of means. I won't have access to my work email while I'm away on vacation. No, I don't have direct access to the CEO, but I'll call his assistant.
*access to someone or something
permission to approach someone or something; the right to use someone or something. (*Typically: get ~; have ~; give someone ~.) Can you get access to a computer?