Yes, the individual will be able to re-enter.
The proclamation does not apply for anyone who meets any condition under Section 3:
Sec. 3. Scope of Suspension and Limitation on Entry. (a) The suspension and limitation on entry pursuant to section 2 of this proclamation shall apply only to any alien who:
(i) is outside the United States on the effective date of this proclamation;
(ii) does not have a nonimmigrant visa that is valid on the effective date of this proclamation; and
(iii) do not have an official travel document other than a visa (such as a transportation letter, an appropriate boarding foil, or an advance parole document) that is valid on the effective date of this proclamation or issued on any date thereafter that permits him or her to travel to the United States and seek entry or admission.
The individual is:
- inside the US
- has a valid nonimmigrant visa
- has a travel document
Therefore, this proclamation does not apply to them.