Hi @adm_sub,
I wasn’t able to duplicate this. It showed up for me just fine in Firefox (v. 94.02):
You may also want to see the post here where a user describes an issue with a Firefox Addon - to make sure that this isn’t what is causing the issue: Checkbox to agree to privacy statement not visible (New submission) in OJS 3.3.0.5 - #4 by bibliothekswelt
-Roger
PKP Team