| Interface | Description | |
|---|---|---|
 | IEncryptor | Defines PDF encryption preferences. |
| IPassword | Represents PDF password settings. |
| IPdfInfo | Represents PDF info preferences. |
| IPdfPreferences | Represents PDF preferences. |
| IPermissions | Defines PDF document permissions. |
| ISignature | Defines signature preferences. |
| IViewer | Defines viewer preferences. |
| Enumeration | Description | |
|---|---|---|
 | AuthorType | Defines the type of the author property. |