It has a lot of features but not overly complicated.

What do you like best?

It has a lot of features but not overly complicated. There is a lot of function, and it runs smoothly.

What do you dislike?

Occasionally navigation of the sight has been sticky.

What problems are you solving with the product? What benefits have you realized?

I am always needing to combine multiple PDF files into one, and then do some filling and signing. PDF Filler has sped that process up.