Guide de l'utilisateur
Nitro PDF Pro
La sécurité

Permission settings

The usage permission settings let you restrict what features can be used when a recipient opens a file you have secured. This means, for example, that you can distribute documents that can’t be edited or printed, but can be opened and viewed. Using these permission settings with digital ID certificate-based security gives you even greater flexibility as you can set different permissions for each individual recipient of your file.

The usage permissions you can control include:

  • Printing: Control the user’s ability to print the document, and at what resolution quality
  • Changes: Control the user’s ability to edit the contents of a document
  • Content copying or extraction: Control the user’s ability to copy content from a document
  • Access for screen readers: Allow text to be accessed by screen-reading software for users with a visual impairment
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