What do you like best?
Apart from basic editing features like edit, redact, email, share, fax, print , they have awesome features like Send to Sign, Link to Fill which makes working with your documents very easy.
What do you dislike?
Sometimes I get error while printing the document. But it seems a temporary glitch.
Recommendations to others considering the product:
If you deal with lots of PDFs then you must try this software.
What problems are you solving with the product? What benefits have you realized?
Mass form filling on my websites. I need my users to fill lots of forms when they visit our website and PDFfiller made it easy.

What do you like best?
The dashboard is well laid out and intuitive. It is easy to figure out the functions of buttons without referring to FAQ.
What do you dislike?
There is a little bit of a disconnect when saving your file, it's not always easy to figure where it is being saved.
Recommendations to others considering the product:
Start out with the trial. I think you will be impressed enough to purchase.
What problems are you solving with the product? What benefits have you realized?
For us it has eliminated the need to download, then print a document, fill out the blank fields, then scan it and email it to the requestor.