If your community is running Jive-x or you've enabled the necessary guest access (if applicable), then it should be possible to configure a space with "View" permission for guests. When guest access is enabled, guests will fall under the "Everyone" permission group. If you're running a Jive-n environment, there may be additional configuration required to achieve this.
If you need specific details or assistance for your specific environment, I would encourage submitting a support case to help review this for you. If you're not familiar with how to submit a support case, please reach out to your community manager to confirm your process.
Thank you Jeph