> ## Documentation Index
> Fetch the complete documentation index at: https://docs.useglimps.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Scanning and validation

> Fix OCR issues and validate invoice data.

## Overview

Scanning is where extracted data is verified so every downstream step starts with accurate information.

## Validate scanning results

Compare extracted values with the PDF and correct supplier details, dates, totals, and line items as needed.

<Steps>
  <Step title="Review the invoice">
    Select an invoice from the scanning list to review the PDF and data panel.
  </Step>

  <Step title="Fix OCR issues">
    Use the edit action to update incorrect fields and save your changes.

    <Check>
      The invoice leaves the scanning stage once all required fields are valid.
    </Check>
  </Step>
</Steps>