While ISO standards are typically copyright-protected and must be purchased from the official ISO store
ISO has released a called “ISO 37301 – A practical guide for small businesses” (search ISO’s website). This is not the full standard, but it explains concepts in plain English. iso 37301 pdf free download better
However, you can access substantial free resources, partial previews, and implementation guides that provide the "better" features and frameworks of the standard. Where to Find ISO 37301 Resources Official Previews you can access substantial free resources