Got it, let's break this down step by step—this will make your monthly 300+ PDF updates a total breeze. The key is setting up a reusable Action Wizard workflow that handles embedding/replacing document-level JavaScript (which auto-runs when the PDF opens) in bulk.

Step 1: Prep Your JavaScript File #

First, make sure your script is formatted as a document-level script (this is what runs automatically when the PDF opens). Save it as a .js file on your computer—this makes updating it later super easy (just overwrite the file instead of pasting code every time).

Example of a basic auto-running script (put this in your .js file):

// This code runs automatically when the PDF is opened
app.alert("Hello from the auto-run script!"); // Replace with your actual logic
// Add your custom functionality here—e.g., form field updates, metadata checks, etc.

Note: Document-level scripts execute all top-level code when the PDF loads, so you don't need special event listeners unless you're targeting specific actions (like saving the PDF). For "run on open," plain top-level code works perfectly.

Step 2: Create a New Action in Action Wizard #

1. Open Adobe Acrobat Pro XI.
2. Go to the Tools menu, then select Action Wizard (it’s usually in the "Customize" section).
3. Click Create New Action to start building your batch workflow.

Step 3: Add the JavaScript Action to Your Workflow #

In the Action Wizard setup window:

• On the left sidebar, scroll to find the JavaScript action (under the "Documents" category).
• Drag the JavaScript action into the right-hand "Steps to Execute" panel.

Step 4: Configure the JavaScript Action to Embed/Replace Your Script #

1. Click the small gear icon ⚙️ next to the JavaScript action in the steps panel.
2. In the pop-up window:
   • Select Add JavaScript to the document.
   • Choose Document-level JavaScript from the dropdown.
   • Give your script a consistent name (e.g., AutoRunScript)—this is critical! Using the same name every time will automatically replace any existing script with that name in the PDFs, no extra steps needed.
   • Instead of pasting code, click Browse and select your saved .js file. This way, when you update the script later, you just overwrite the .js file and re-run the action.
3. Click OK to save this configuration.

Step 5: Set Up Your Batch Source Files #

At the top of the Action Wizard window:

• Under Files to be Processed, choose whether to add individual files (Add Files) or an entire folder (Add Folder) containing your 300+ PDFs.
• Optional: Set a destination for processed files (e.g., "Save to original folder" or "Save to specific folder") to avoid overwriting originals accidentally.

Step 6: Save and Run Your Action #

1. Click Save at the top of the window, name your action something descriptive (like "Batch Auto-Run JS Update"), and save it.
2. To run the action later (monthly updates):
   • Open Action Wizard, select your saved action.
   • Confirm the source files/folder are correct.
   • Click Start—Acrobat will process all PDFs in bulk, embedding/replacing your script automatically.

Important Notes #

• Security Settings: Ensure Acrobat allows document JavaScript to run (so end-users see your script in action). Go to Edit > Preferences > JavaScript and check:
  • Enable Acrobat JavaScript
  • Allow document JavaScripts
• Test First: Always run the action on 1-2 test PDFs before processing the full batch to make sure your script works as expected.
• Script Updates: When you need to update the JavaScript, just edit your .js file—no need to reconfigure the Action Wizard; just re-run the saved action with the updated file.

内容的提问来源于stack exchange，提问作者Justin