-+ [Document Intelligence layout skill](cognitive-search-skill-document-intelligence-layout.md) and [document extraction skill](cognitive-search-skill-document-extraction.md) obtain page text, inline images, and structural metadata. The Document Extraction skill doesn't support polygon extraction or page number extraction. Also, the range of supported file types may vary. To ensure optimal alignment with your specific use case, check each skill documentation for detailed information on compatibility and capabilities. The native document parsing mechanisms (document layout or document extraction skills) don't have support for table recognition or its structure preservation. If table extraction and its structure preservation support is required, it's recommended that a [Web API custom skill](cognitive-search-custom-skill-web-api.md) is built and call [Azure AI Content Understanding service](/azure/ai-services/content-understanding/tutorial/build-rag-solution) for content extraction (including tables).
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