Apparently it seems like FFVIII’s official site has a source code indicating that the remaster might have voice acting, here’s the official site:
FINAL FANTASY VIII Remastered marks the 20th Anniversary of its original release, bringing the game’s classic story to modern platforms.
Widely beloved, FINAL FANTASY VIII casts unlikely heroes into a war to save the world. The military nation of Galbadia has declared war on the Dukedom of Dollet, who are left with no choice but to hire a mercenary force for their defense. Enter SeeD and its newest member: Squall Leonhart. Together with his friends, Squall joins Rinoa Heartilly, a member of a resistance group, on an adventure that holds the fate of their world in its balance. FINAL FANTASY VIII Remastered marks the 20th Anniversary of its original release with a complete visual refresh and brings the game’s classic story to modern platforms: Steam, PlayStation 4, Xbox One, and Nintendo Switch. With fully overhauled visuals, see your favorite characters come to life like never before! FINAL FANTASY VIII Remastered is an RPG, available in English and Japanese voiceover, and is also text localized into French, Italian, German and Spanish.