What do you like best?
We use it to generate fillable forms for customers - it works very well whether inserting date or image.
What do you dislike?
The document management part is a bit confusing. It can be difficult to work with templates vs documents, and with shared templates or documents.
What problems are you solving with the product? What benefits have you realized?
PDFFiller has made generation of forms - both using their web app and API, extremely productive for our operations team.

What do you like best?
What I like best about PDFfiller is that it allows me to edit and save protected .pdf files.
What do you dislike?
I dislike the search function for documents and the fact that it takes a little while for the program to open and save a document.
Recommendations to others considering the product:
If you work in the legal field purchase this software.
What problems are you solving with the product? What benefits have you realized?
The biggest problem that PDFfiller has done for me is that it allows me to edit protected pdf files. One of the greatest benefits is that .pdf saves all of my work for me.