using ableton 10, have installed guitar rig 7 and can only access the standalone version - cannot find a way to open in ableton.
Hello sandals, this Knowledge Base Article can help you with this subject: Plug-In Administration in Ableton Live, please try to rescan your Plug-ins and this can help you with finding your Guitar Rig 7 in your Ableton.
Also, this can also help you further in case How to Insert Native Instruments Plug-ins in Ableton Live
Please let me know the results afterwards☺️
What's your operating system? Have you ernabled AU and VT3 Plugins in Ableton Live 10's plugin preferences?