I would like to ask if it is possible to achieve INS batch posting in Jarvie and achieve the effect of occupying the screen
Please be guided by Posting to your Social Profiles - Jarvee on how to post to your Social Profiles via Jarvee.
Are you publishing an image? If yes, you may go to the campaign Overview tab > Advanced Settings > Instagram tab and put a check on ‘crop image instead of adding borders’.