Other PDF Issues

How to Stop the Comments Pane from Opening Automatically in Adobe Acrobat

Maira MehtabMaira Mehtab Oct 28, 2026 869 views

Question details

The user wants to stop the comments pane from expanding automatically whenever a PDF file containing comments is opened.

How to Stop the Comments Pane from Opening Automatically in Adobe Acrobat
Product
Adobe Acrobat
Device & OS
Windows
Scenario
Opening and viewing a PDF document that contains annotations or comments.
Observed behavior
The comments pane automatically opens upon loading the document, which disrupts the default reading experience.
Before you start

Before modifying your application preferences, ensure you save any currently open PDF documents and check that you have a stable internet connection if you need to download updates.

Solution 1Recommended

Disable the Comments Pane Setting in Preferences

The most direct way to fix this issue is by unchecking the specific commenting preference within Adobe Acrobat.

Adobe Acrobat includes a default preference that triggers the comments pane to open automatically so users don't miss feedback. Disabling this setting will restore a clean viewing experience.

1
Check for Updates

Navigate to Menu > Help > Check for Updates to ensure your application is running the latest version, as bugs in older versions might prevent settings from saving properly.

2
Open Preferences

Go to Menu > Preferences, or simply press the Ctrl+K keyboard shortcut to open the preferences window.

3
Modify Commenting Settings

In the left-hand Categories sidebar, select 'Commenting'.

4
Disable Automatic Pane

Find and clear the checkbox labeled 'Show comments pane when a PDF with comments is opened', then click OK to save your changes.

Setting Applied: The next time you open a PDF with annotations, it will open in the standard view without the comments pane expanding.
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Frequently Asked Questions

Why does the comment pane open by default in Adobe Acrobat?

Adobe Acrobat enables the 'Show comments pane when a PDF with comments is opened' setting by default to alert users that feedback or annotations exist within the document.

Can I hide the comments pane without changing global preferences?

Yes, you can temporarily close the comments pane for the current session by clicking the 'X' in the top right corner of the pane, or by toggling the Comment icon in the right-hand toolbar.

Will reinstalling Acrobat delete my PDF files?

No, uninstalling or reinstalling Adobe Acrobat only removes the application files and settings. Your personal PDF documents saved on your local storage remain completely untouched.

Does WPS PDF open a comments pane automatically?

WPS PDF is designed for a streamlined reading experience and allows you to easily view or hide comments without intrusive default pop-ups. You can toggle the comment view manually only when you need it.