: Use Shift+Ctrl+F (Windows) or Shift+Cmd+F (Mac) to open the full search pane. This allows you to search across multiple PDFs at once.

: For massive documents (e.g., several thousand pages), you can create an embedded index via Basic > Search > Index to speed up future searches. Building Search Pages (Adobe Dreamweaver)

In the settings, ensure the is set to Searchable Image to maintain the original look while adding a searchable text layer.