Hello,
1- Regarding the Products Bordered Grid, if you are mentioning regarding the Products on the Homepage, then you need to edit your Homepage with the page builder editor > there edit the Products element > go to Style tab of it > there you can find the Products design sub-tab > in that you can find the option of enabling or disabling the Bordered grid: https://snipboard.io/xmdWyE.jpg
2- Regarding hiding Stock status, please go to Dashboard > WooCommerce > Settings > Products > Inventory > there you can find the Stock display format option > there you can select your choice of option there regarding this: https://snipboard.io/IdfQF4.jpg
Best Regards