I assume you are referring to the new PDF editor in v24 (please verify that when the editor is "PDF" and *not* "PDF (legacy9" when you click on the settings icon in the action bar of the annotation editor)?
> On 6. Sep 2022, at 06:53, raman ratnakar <
ramanra...@gmail.com> wrote:
>
> 1. When an annotator annotates something and moves to another file, comes back to the previous annotated file the annotation is visible but when they scrolls up the page and comes back again to the annotated section the annotation disappears.
> The annotation comes back when they refresh the page.
>
> 2. Annotated text disappears when any annotator revisit the page to cross check or reannotate the same file.
Do you see any error messages that might be related to this issue when in the Web Developer Tools console of the browser?