Best On-Premises PDF Accessibility & Remediation Software of 2026

The PDF accessibility and remediation service is an optional feature of All in One Accessibility®, designed to enhance digital documents for individuals using screen readers, keyboard navigation, and various assistive technologies. This service provides a comprehensive evaluation, remediation, and re-evaluation process to eliminate obstacles found in reports, manuals, brochures, forms, and educational content. The remediation process addresses key elements such as document tagging, heading hierarchy, reading order, alternative text for images, table structures, form fields, navigation aids, color contrast, language settings, and metadata. Additionally, expert reviews ensure compliance with WCAG 2.0, 2.1, and 2.2, PDF/UA, as well as relevant ADA, Section 508, AODA, and EAA EN 301 549 standards. Clients can choose between AI-assisted processing and manual remediation, with support for over 190 languages, bulk document projects, customizable white-label delivery, and detailed accessibility reports. To assist organizations in assessing the quality of remediation, a complimentary sample of up to five pages is offered prior to committing to larger projects.

ADEPT UA, developed by CDP Communications, provides robust document accessibility for high-volume enterprise outputs such as contracts and statements. In contrast to conventional template-driven solutions, ADEPT UA employs a cutting-edge "accessibility rule set" that allows for the dynamic modification of document structures, ensuring compliance with PDF/UA and WCAG standards. This innovative framework not only enhances reliability but also simplifies maintenance, particularly beneficial for extensive document workflows. Additionally, with its high-throughput batch processing capabilities and integration via REST APIs, ADEPT UA facilitates real-time accessibility, converting both current and archived files into formats that meet accessibility standards, making it perfect for essential enterprise communications. This seamless approach allows organizations to maintain compliance while efficiently managing large volumes of documents.