Master PDF Editor Preferences

In order to open settings Master PDF Editor, choose Tools > Settings in Main menu.
In macOS X, it is Master PDF Editor > Preferences.

The following parameters are available for configuring:

• General
• System
• Forms
• Editing
• Grid
• JavaScript
• Comments
• Display
• Toolbars
• Appearance
• Keyboard
• Email
• OCR
• Redaction
• Network
• Certificates
• Language
• Update

More like this:

Workspace in Master PDF Editor
Creating PDF documents
Working with PDF pages