This month’s release includes a new exciting feature, that lets you create secure PDF files. Installing Aspose.Pdf for SharePoint adds a “PDF Secure Settings” option to Site Setting. With this, it is possible to set the user password, owner password and any encryption algorithm from the list. The algorithm list provides different combinations of encryption algorithms and key sizes. For further details, please read Creating a Secure PDF Document.
Please visit the following link to download the latest version of Aspose.Pdf for SharePoint v1.9.0.