How to make active rectangle as the notation in the full-screen presentation?

Hi @TBinh ,

Sorry for the delayed response and inconvenience caused.

Please refer to Use annotation and drawing markup tools to add comments in PDFs, Adobe Acrobat and Acrobat Reader

"Add Sticky notes" A sticky note has a note icon that appears on the page and a pop-up note for your text message. You can add a sticky note anywhere on the page or in the document area.

In Acrobat Reader, complete commenting tools are available only in PDFs that have commenting enabled. PDFs in a review workflow typically include commenting rights. for detailed information, please refer to Use annotation and drawing markup tools to add comments in PDFs, Adobe Acrobat and Acrobat Reader

"Reply" button is for a PDF review where you type your reply if you are a part of a shared review or an email-based review.

For detailed information, please refer to the following docs Starting a PDF review, Adobe Acrobat Link: https://helpx.adobe.com/acrobat/using/starting-pdf-review.html

Participating in a PDF review, Adobe Acrobat Link: https://helpx.adobe.com/acrobat/using/participating-pdf-review.html

Feel free to update this discussion for any further assistance.

Regards,

Ria