If you want candidates to be able to directly accept broadcasted jobs without showing interest first, you can enable the setting by following the steps bellow to allow Candidates to directly accept job when job is broadcasted without showing any interest.
Navigate to More → Global Settings
Select Jobs → Job Board Settings → Shift Jobs → Expressing Interest In and Accepting Shift Jobs
Scroll and tick the box for "Candidates can accept job when job is broadcasted"
Click "Update Settings"
