Document reviewer agent orchestration

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I have a 100 pages of document. I need to review the document with the guidelines, rules, formatting, numbering, tone, grammar and etc. what is the best way to implement in copilot studio? What design to follow

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sannavajjala87 515 Super User 2026 Season 1 on at

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Hi,

Most important thing first, because it'll save you real pain: don't upload the document as a knowledge source and ask the agent to "review it." That's the natural instinct, but it won't work for a full 100-page review. Knowledge sources use RAG, so they chunk the document and only pull back the few pieces most relevant to a single question. Microsoft has confirmed the agent won't iterate across a whole document, it processes a handful of items and silently stops. Great for "what does the doc say about X," wrong for "check every page against these rules."

The design that works is to loop a review prompt over the document, which is what Microsoft's own guidance recommends (process long docs page by page):

Build an AI Builder prompt that takes two inputs: your guidelines (rules, formatting, numbering, tone, grammar) and one page or section of the document. Have it return structured output, like a list of {location, issue type, description, suggested fix}.

Orchestrate with a Power Automate flow (or a Copilot Studio agent flow). Split the document page by page, loop the prompt over each chunk, and collect the findings. Keep chunks small, since prompt runs have a 100-second limit and a token cap, so the whole doc at once will time out.

Aggregate into one report (Word or Excel), and add a final pass for cross-page checks a per-chunk review misses, like numbering continuity and tone consistency.

Use Copilot Studio as the front end: the user uploads the doc and guidelines, triggers the review (the agent calls the flow as a tool), and gets the report back.

So: agent for the conversation and trigger, Power Automate for the loop, AI Builder prompt for the actual review, guidelines as the stable reference. The knowledge source is the wrong tool for the review itself.

One note: the model is strong on tone, rules, and contextual grammar, but for strict mechanical checks (exact numbering, formatting) you'll get more reliable results pairing it with deterministic checks. Hope that helps.

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11manish 3,333 on at

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For a 100-page document review, I would not recommend simply uploading the document into Copilot Studio as a knowledge source and

asking it to "review the document." Standard RAG-based knowledge sources are optimized for question answering, not for deep document

analysis and compliance checking.

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