dfFactory products offer a unique approach to PDF creation that is simpler, more effective and less expensive than that offered by other programs.
pdfFactory Pro includes all of the features in the standard version plus:

Security: Encrypt and control access to PDF files as follows:

Prevent printing PDFs

Prevent copying text and graphics

Prevent opening without a password

Prevent editing (yes, PDFs can be edited)

Bookmarks and Table of Contents: Automatically or manually create bookmarks
to organize and easily navigate complex documents.

Integrated Jobs Tab: Shows all jobs and allows you to rearrange them.

Custom Drivers: Save your settings to multiple print drivers so you can
quickly select them for specific tasks.

Set Initial Acrobat Display Properties: Such as zoom factor, layout and tab
configuration.

Server Edition has the following features:

Centralized Installation: Install SE on a Windows server, and any user can
install by connecting to a shared printer. Admin access to the workstation
is not required with SE.

Centralized Updates: When a new version of SE is installed on the server,
client users are automatically updated to the new version.

Network Client Support: SE supports clients running Windows 95, 98/ME, NT,
2000 and XP including laptops and Terminal Server/Citrix clients.

Shared configuration: Common settings can be placed on the server for
propagation to workstations upon installation. For example, PDF security
parameters saved on the server will be copied to workstations upon
installation.

License management: SE ensures license compliance and allows monitoring and
control of license usage on a single server or a group of connected
servers.

Configurable user interface: Product features can be removed from the user
interface if desired. It is also possible to define default settings and
remove particular user interface controls ensuring that settings do not
change.