Aztecs & Toltecs had the Nahuatl script
https://en.wikipedia.org/wiki/Aztec_script
The Mayan has a script (Maya glyphs) that is hieroglyphic in nature. It is the only Mesoamerican writing system that has been substantially deciphered.
https://en.wikipedia.org/wiki/Maya_script
As far as the wheel goes, some theorize that without a large strong draft animal no need for a wheel. Also, with plenty of slaves available, no need for ease of transport. They did have wheels on what looks like children’s toys.
The Incas had no written language. They had a way of keeping records with a knotted rope system called Quipu. Not a real written language.
Perhaps I should have said there were no significant libraries or repositories for business contracts in the New World in 1500?