Adobe Acrobat provides with various tools for review and editing of documents, form, tables etc. as a Portable Document Format (PDF). It is an effective way of presenting information in a fixed form close to its publishing results. You can also hide text in Adobe by review this tutorial that tells you how to redact in Adobe. There are a series of tools available that are meant for Redaction in Adobe such as the Redaction properties and Search & Remove text. Follow this step by step tutorial to learn how to redact in Adobe.