Hello Darwin,
You probably don't need to modify or add permissions. You could try setting up Content approval to see if that helps.
- Go to the list or library where you want to require approval.
- Access "Settings," (Top right corner) then select "List settings" or "Library settings."
- In the "General settings" section, choose "Versioning settings."
- Enable content approval by selecting "Yes" for "Require content approval for submitted items?"
- In the "Draft Item Security" section, decide who can view draft items. Options include all users who can read items, only users who can edit items or only users who can approve items and the item author.
- Save your changes by clicking "OK."
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