To dream that you are presented a US visa signifies how you feel about the USA and what it means to you. An example would be if the United States represents freedom, then being issued a US visa can parallel a situation in your life where you are experiencing some new form of freedom. You may even be experiencing some sort of self-examination.
Alternatively, to dream of receiving a US visa in general indicates a desire for change in the way people see you. A visa means something different for everyone, depending on their visa status. To some, a visa may represent freedom or escape.
To another, a visa may represent legitimacy and reassurance.
A temporary visa may symbolize travel while a work visa may symbolize progress in your career. In all cases, a dream of a visa represents a desire for recognition and acceptance from others.