Just got the Mexican Spanish VHS in the mail, and it looks thus far like only the “Walt Disney Pictures presents” and “a Pixar production” cards got translated into Spanish there. I’ll have to watch further to get a better idea of what the Mexican Spanish print looks like (I’m not even ten minutes into the feature presentation at present), but I suspect it uses the same print as that released later in the decade in anticipation of its sequel (which I don’t have, I only have any hint of what the 1999 VHS print looks like because of YouTube videos).

ETA: They also translated the Buzz Lightyear spaceship text, the Magic 8-Ball (“No cuentes con ello”), and the commercial, and there are also dubbing credits at the start and end of the closing credits.