It's a large company and as with any big corporation it comes with office politics and a very corporate environment. Some thrive in this type of atmosphere but it's certainly not for everyone.
This is often done by hand on a piece of paper. The animator needs to excellent good drawing skills to visually explain the concept of the animation to a customer or design team. In some cases, the animator must also be able to create a storyline or assist the client in the storyline development.
As you may understand from this typical course curriculum of an animation course, it is important to have a flair for drawing and inherent creativity to be able to successfully pursue an education and a career in this field.