To display comments for media files and attachments, you'll need to use the shortcode and set both the post_type and post_status options:
post_type
post_status
[better_recent_comments post_type="attachment" post_status="any"]
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Displaying comments for media files
To display comments for media files and attachments, you'll need to use the shortcode and set both the
post_typeandpost_statusoptions:Related Articles