The fact that the novel Dracula is told from multiple perspectives has been used by various folks as a means to spin the novel in different ways by playing to the whole “unreliable narrator“ thing.
A typical example of this line of thinking is picking up on how Dracula’s POV isn’t shown within the story itself, and using it as a launching point to portray Dracula in a more heroic or anti-heroic life.
We don’t really know as an audience WHY Dracula decides to invade Britain within the novel, so some creators say that it was, say, to hook up with the reincarnation of his dead wife (who is frequently Mina Murray) for example. Framing what was a straight-up horror story as a paranormal romance instead.
Thing is… although one of the most common reinterpretations of Dracula is him being in a relationship of some kind with Mina, that… actually doesn’t work within the context of the original book, unreliable narrator or not.
See, within the novel, Dracula actually finds the various notes the narrators had made and attempts to destroy them to throw the vampire hunters off his trail. Mina is actually the person who re-assembles the notes and diaries and such and creates the timeline of events described within the novel.
In universe, Mina Harker WROTE Dracula, so if there were an actual kinda romantic thing going on instead of the whole “coded sexual assault“ thing the story actually portrays, it’s not actually depicted as such in the book.
…Which isn’t to say that other interpretations can’t be used, queer interpretations of the Mina/Lucy relationship for example. Or how the death of Van Helsing’s son and his wife being committed to an asylum may possibly be tied to his earlier experiences with the supernatural, for another.
Mina and Dracula as a romantic couple… More than a touch creepy, and not in the way that creators such as Francis Ford Coppola intended.
I forget who said it (it may have been you), but someone said that Coppola’s Dracula owes more to Dark Shadows than the Novel itself.
Monsters and Stuff 