Facebook may not display comments under pictures to maintain a clean and uncluttered user interface. By not displaying comments directly under pictures, Facebook can prioritize the visual content and allow users to focus on the images without distractions. Additionally, this design choice may also help to streamline the user experience and make it easier for users to navigate through their news feed. Lastly, it could be a deliberate decision to encourage users to engage with the post by clicking on it to view and interact with the comments. **

To display all comments on YouTube, you can scroll down the video page until you reach the end of the comments section. YouTube will automatically load more comments as you scroll down. If you want to see all comments at once, you can click on the "Sort by" drop-down menu and select "Newest first" or "Top comments" to view all comments on the video. Additionally, you can use the search bar within the comments section to search for specific comments. **

To display comments in Open Office, you can go to the "View" menu and select "Comments" from the dropdown menu. This will show all the comments that have been added to the document. You can also click on the comment indicator in the margin of the document to display the comment associated with that specific section of the text. Additionally, you can use the "Show Comments" button on the toolbar to display all the comments in the document. **

To always display comments in Open Office, you can go to the "View" menu and select "Comments" to show the comments pane. This will ensure that comments are always visible while working on your document. Additionally, you can also click on the comment indicator in the margin of the document to display the comment directly in the text. By utilizing these features, you can easily keep track of and view comments in Open Office at all times. **

Cloning Instagram comments refers to the act of copying and pasting a comment from one post to another. This can be done by selecting the comment, copying it, and then pasting it onto another post. It is often used to share the same comment across multiple posts or to replicate a popular or meaningful comment. However, it is important to note that cloning comments without permission may violate Instagram's community guidelines and could result in account suspension or other penalties. **

To permanently display comments in a PDF program, you can flatten the comments. Flattening comments means that they become a part of the PDF content and cannot be edited or hidden. This ensures that the comments are always visible and cannot be altered. Most PDF programs have an option to flatten comments, which you can typically find in the comments or review toolbar. **

Comments on comments may not be displayed to you because the platform or website you are using may not support nested or threaded comments. Some platforms only show direct replies to the original post or comment, while others may collapse nested comments to keep the discussion more organized. Additionally, the settings or preferences on the platform may be set to hide nested comments. If you are unable to see comments on comments, you may want to check the platform's settings or guidelines to see if there is an option to display nested comments. **

No, YouTube comments are not invisible. They are visible to anyone who views the video on which they are posted. Users can scroll down below the video to read and interact with comments left by other viewers. Additionally, creators can choose to disable comments on their videos if they prefer not to have them visible. **