Hello,
I have not seen any issue on your site about featured products and on product page. Could you please record a short video so we can better understand how to reproduce this?
For the theme update, Try to do the following to update the theme:
1. Go to Dashboard -> WoodMart -> Theme License and deactivate the theme.
2. Go to Dashboard -> Updates and click on Check Again.
3. Activate the theme with your purchase code again.
4. Go to Dashboard -> Updates and click on Check Again.
5. Try to update the theme via Appearance -> Themes or via Dashboard -> Updates.
Best Regards,