Toolset does require elevated rights in order to install it. Most of the tools will run with standard rights. Here are a list of the tools that require elevated rights to function correctly:
LaunchPad, Bandwidth Gauges, All Config Tools, DNS & Who Is Resolver, MIB Viewer, MIB Walk, NPM, Ping, Real Time Interface Monitor, Send Page, SFTP/SCP Server, Trap Receiver, TFTP Server, Watch It, Edit Dictionaries, and Toolset/Orion Integration.
--HTH
Steve