Will he be granted access?

I assume that your boyfriend is applying for a visiting visa. The question is whether a consular officer will be able to determine that he has nonimmigrant intent and sufficient ties to the home country. If so, the visa can be approved. Even if you submitted a letter with information about yourself, that would not necessarily result in a visa denial if the consular officer determined that he would be returning to the home country after his period of visit. Due to the limitations of the Lawyers.com Forums, Alan Lee, Esq.'s (the "Firm") participation in responding to questions posted herein does not constitute legal advice, nor legal representation of the person or entity posting a question. No Attorney/Client relationship is or shall be construed to be created hereby. The information provided herein by the Firm is general, and requires that the poster obtain specific legal advice from an attorney. The poster shall not rely upon the information provided herein as legal advice nor as the basis for making any decisions of legal consequence.