Hi,
The NI-CAN 2.0 installer was released after the LabVIEW 7 release, so the NI-CAN installer doesn't "know" where to place the VIs.
You can dowload the NI-CAN 2.0 driver and an add-on to install the LabVIEW 7 support files:
CAN Driver DownloadDiegoF
National Instruments.