1. A document generation apparatus that generates document data with font that can include a character font based on original document data, comprising: a comparator that compares the type of language of the original document data and the type of language provided at a reproduction terminal that reproduces the original document data; and a generator that generates document data with font based on the original document that does not include a character font when results of a comparison performed by the comparator indicate that both types of languages match, and generates document data with font based on the original document that does include a character font used in the original document data when the results of the comparison performed by the comparator indicate that both types of language do not match.