Adding Chat and Summary Features to Document-Heavy .NET Apps

The Business Problem

A support agent needs an answer buried in product documentation. An analyst wants the key figures from a 60-page report. A legal reviewer needs to check a specific clause across long contracts. Reading each document end to end does not scale. The goal is to summarize on intake and let people ask questions in plain language.

The Solution

The IronPdf.Extensions.AI package adds Summarize for quick abstracts and Query for continuous, context-aware questioning. After configuring Semantic Kernel with an Azure endpoint and a memory store, summarizing a document takes one call.

using IronPdf;
using IronPdf.AI;
using Microsoft.SemanticKernel;
using Microsoft.SemanticKernel.Memory;

var builder = Kernel.CreateBuilder()
    .AddAzureOpenAITextEmbeddingGeneration("oaiembed", azureEndpoint, apiKey)
    .AddAzureOpenAIChatCompletion("oaichat", azureEndpoint, apiKey);
var kernel = builder.Build();

var memory = new MemoryBuilder()
    .WithMemoryStore(new VolatileMemoryStore())
    .WithAzureOpenAITextEmbeddingGeneration("oaiembed", azureEndpoint, apiKey)
    .Build();

IronDocumentAI.Initialize(kernel, memory);

PdfDocument pdf = PdfDocument.FromFile("report.pdf");
string summary = await pdf.Summarize();

using IronPdf;
using IronPdf.AI;
using Microsoft.SemanticKernel;
using Microsoft.SemanticKernel.Memory;

var builder = Kernel.CreateBuilder()
    .AddAzureOpenAITextEmbeddingGeneration("oaiembed", azureEndpoint, apiKey)
    .AddAzureOpenAIChatCompletion("oaichat", azureEndpoint, apiKey);
var kernel = builder.Build();

var memory = new MemoryBuilder()
    .WithMemoryStore(new VolatileMemoryStore())
    .WithAzureOpenAITextEmbeddingGeneration("oaiembed", azureEndpoint, apiKey)
    .Build();

IronDocumentAI.Initialize(kernel, memory);

PdfDocument pdf = PdfDocument.FromFile("report.pdf");
string summary = await pdf.Summarize();

Imports IronPdf
Imports IronPdf.AI
Imports Microsoft.SemanticKernel
Imports Microsoft.SemanticKernel.Memory

Dim builder = Kernel.CreateBuilder() _
    .AddAzureOpenAITextEmbeddingGeneration("oaiembed", azureEndpoint, apiKey) _
    .AddAzureOpenAIChatCompletion("oaichat", azureEndpoint, apiKey)
Dim kernel = builder.Build()

Dim memory = New MemoryBuilder() _
    .WithMemoryStore(New VolatileMemoryStore()) _
    .WithAzureOpenAITextEmbeddingGeneration("oaiembed", azureEndpoint, apiKey) _
    .Build()

IronDocumentAI.Initialize(kernel, memory)

Dim pdf As PdfDocument = PdfDocument.FromFile("report.pdf")
Dim summary As String = Await pdf.Summarize()

The Query method holds conversation context across follow-up questions, which is the basis for a document chatbot, an internal knowledge base, or a research tool. Paired with OCR, summarization also works on scanned documents, complex multi-column layouts, and files with images and tables.

Points to Plan For

This feature carries more setup than the conversion guides, so a few prerequisites matter:

• Three packages: IronPdf, IronPdf.Extensions.AI, and Microsoft.SemanticKernel.Plugins.Memory. The memory plugin powers continuous querying.
• Azure OpenAI backend: The documented path requires an Azure subscription with Azure OpenAI Service access, configured with an endpoint and key.
• Data handling: The extension extracts document text and sends it to the Azure OpenAI endpoint, so confidential content leaves the local environment. Account for that in regulated workflows.
• Memory store by environment: VolatileMemoryStore suits development, while Chroma, Azure Cognitive Search, or Qdrant suit production persistence.
• Experimental APIs: Semantic Kernel raises SKEXP build warnings, suppressed with a NoWarn entry in the csproj.

Result

With a small amount of setup, teams add automated summaries and a chat-with-your-document interface to a .NET app, turning dense PDFs into something staff and users can query in seconds. Full configuration details are in the OpenAI for PDF guide.