Roland Cloud offers a free tier ("Roland Cloud Free") that includes a few instruments. However, Sound Canvas VA usually requires a "Pro" membership ($9.99/month) or a one-time purchase (around $150).
If you still want to hunt down the original, here are the most common sources mentioned in music production forums: Hyper Canvas Vst Free- Download
Some users have successfully run the Windows VST version inside or CrossOver , but latency and stability are poor. For Mac users, modern alternatives are strongly recommended. Roland Cloud offers a free tier ("Roland Cloud