When you first create a guide it will be in "draft mode" where only you, administrators of the channel you created the guide, and people you invite to the guide can access it.

While in draft mode the guide will have the label "draft" on the thumbnail and you will see a message on the right side of the guide with a "Publish Guide" button:

You will need to publish the guide to have it appear in the channel where it was created. Once published it will be accessible to anyone who has access to the channel.

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