What do you like best?
This app has been immensely useful. There have been times when I am not at my desk and needed to fill out some forms and this app allowed to me to do so right on my phone. This is life saving productivity.
What do you dislike?
The only thing I disliked was the many screen you need to go through to finally start using it. Other than that, the app is great.
Recommendations to others considering the product:
It is a great app. It just takes a few minutes of patience to get through the screens.
What problems are you solving with the product? What benefits have you realized?
The business problems this app solves is the ability to conduct business anywhere. You are no longer constraint to your desk or an office. This allows for travel and connectivity almost anywhere.

What do you like best?
The ability to create a document, upload a document, search and find document files, edit, and then fax or email to anyone anywhere right from the convenience of your laptop anywhere in the world. All documents created are saved in your account for return access, and activities (fax, email and receipts for delivery) are also recorded and saved.
What do you dislike?
So far I have not discovered something I do not like. I have uploaded, created, searched for online documents to use, and both faxed and e-mailed documents without an issue.
What problems are you solving with the product? What benefits have you realized?
Can work and send from home, work, on the road. No need to hunt for a fax service / company; no need to leave where I am at to go fax a document; can work and send documents in the middle of the night right from home or while on the road; have been able to search and find online documents and upload into account for editing use; easy to share documents via PDFiller; you can send documents to anyone with an e-mail address - your recipient does not need to leave their laptop either!