I’ve been scolded for reading books and documentation for the tasks and software I was asked to build (at a startup) during my regular work hours
No company I’ve worked at has ever had dedicated time for reading papers or articles
Maybe I’ve only worked at outliers?
In 35 years in the industry, reading and studying during work hours were always supported. Frankly, most places would let us play video games during work hours as long as we met our deadlines.
All the companies I've worked at implicitly assume that you're supposed to use your working hours for more than just coding, including learning what you need for the task at hand, although if you're looking at very beginner material that might raise some suspicion.