Adobe acrobat reader 7.0 Manuale Utente

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Viewing permissions for a Digital Edition
All Digital Editions contain permissions set by the publisher that specify how many times 
you can print and copy a Digital Edition, whether the document can be read aloud by 
Acrobat, and when the document expires. These permissions are saved with the document 
and downloaded when you borrow or purchase a Digital Edition.
To view permissions settings:
1.  Open a Digital Edition.
2.  Choose File > Document Properties, and then click the Security tab.
3.  In the Document Security section of the Document Properties dialog box, click Show 
Details.
Note: You cannot change the Security Method or Security Settings for Adobe DRM 
documents.