Acrobat 9.1 Documentation
Acrobat identity
Acrobat 9.1 SDK Documentation is available online and for offline use
Adobe (Aug 10, 2009)
Check out the SDK documentation! The Acrobat 9.1 SDK documentation (including the Navigator SDK documentation) is available in the Acrobat 9.1 SDK download. For offline use, download the SDK documentation to your local drive. To see the latest documentation updates and provide feedback to the SDK team about the SDK documentation, select the LiveDocs online link for the SDK documentation.
Download for Windows  (ZIP, 45.9 M)
The Acrobat 9.1 SDK Release Notes provide the latest information for the Acrobat 9.1 SDK
Acrobat 8
The documents listed below are guides to using the Acrobat 8.1 SDK. You can download all the documents from the single ZIP file below. However, documents in the OTHERS category are available only from this site. Unlike previous versions of the Acrobat SDK, documents are no longer included in the SDK download.