In this comprehensive guide, we will demystify the "index of" command, explain how it applies to Adobe Acrobat Pro, show you how to find legitimate Adobe software, and teach you how to use Acrobat Pro’s built-in Catalog feature to create searchable indexes for thousands of PDFs.
Since Acrobat is a "finishing" tool rather than a layout tool, creating a visual index requires manual setup or external software. Speed up PDF Search with an Embedded Index - the Adobe Blog index of acrobat pro