Please make sure that you have enabled ‘Table of Content’ from BetterDocs Settings. You can do that by navigating to WordPress Dashboard → BetterDocs → Settings → Layout → Single Doc → TOC. If the ‘Table of Contents’ isn’t enabled make sure to check it and then hit on the ‘Save Settings’ button.
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Besides, make sure that you have enabled the ‘TOC Supported Heading Tag’ which you want to display in the Table of Contents.
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This is how you can easily generate a Table of Contents for your Knowledge Base with BetterDocs.
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Feel free to reach out to our dedicated support Team and we will help you out with your queries.