The version you can download for free is essentially a trial. While it provides a "piece of cake" editing experience, it has notable restrictions:
It supports converting PDFs to and from formats like Word, Excel, PowerPoint, and various image types (JPG, PNG). EaseUS PDF Editor Pro 2021 Free Download
Pro users can set 256-bit AES encryption passwords to prevent unauthorized viewing or editing, and it supports digital signatures for contracts. The version you can download for free is essentially a trial