Foxit PhantomPDF Business Edition includes all the features in the Standard Edition and also contains more features listed below:
PDF Creating and Converting Features
Create a RMS redaction protected PDF files within Word, Excel, and PowerPoint
Create PDFs from Microsoft Office Visio
Convert PDF file to industry standard PDF A/E/X
PDF Editing Features
Reflow editing
Add, edit, delete and manage path objects
Advanced PDF editing: edit images, add object shading, convert text to path, etc
High compression when creating PDFs from scanners or optimizing PDFs
Bates Numbering
Action Wizard
Import as Layer/Merge Layers/Flatten Layers/Edit Layer Properties
PDF Reviewing and Sharing Features
Initiate a Shared Review to include PhantomPDF, Foxit Reader, and MobilePDF users through email, a network folder, or a SharePoint workspace
Send documents to internal server for shared review
Send documents for email review
PDF Security Features
Certify document and set permitted actions after certifying
Permanently remove content from documents using redaction
RMS redaction in Microsoft Word, PowerPoint, and Excel
Microsoft Active Directory Rights Management Service Encryption
Insert dynamic security watermarks in AD RMS protected files
Connected Features
Clone a document
Enable document enforced tracking
Send update notification when registering a new version
Enable non-Foxit application to receive update notification
Online ConnectedPDF protection
Initiate/End Connected Review
Accessibility Features
Fix failed parts after accessibility check
Touch up reading order to add and edit tag
Autotag document and tag report
For more details, you can refer to Feature Comparison Sheet of Foxit PhantomPDF solution family from http://www.foxitsoftware.com/products/phantomPDF/comparison.php.