Use the following links to access and download the PDFs:
ArubaOS 8.10.0.0 User Guide
ArubaOS 8.10.0.0 API Guide
ArubaOS 8.10.0.0 Virtual Appliance Installation Guide
ArubaOS 8.10.0.0 Licensing Guide
ArubaOS 8.10.0.0 Getting Started Guide
ArubaOS 8.10.0.0 Syslog Reference Guide
ArubaOS 8.10.0.0 Release Notes
ArubaOS_8.x_CLI_Guide