With YITH WooCommerce Role Based Prices, you can show different prices based on the user’s role.
To enable this integration, just make sure that the two plugins are installed and activated. Then, enable the Role Based Prices module from YITH > Multi Vendor > Modules.To enable this integration, activate both plugins, go to YITH > Multi Vendor > Vendors > Vendors Permissions and select Create custom price rules for their products in the option Regarding his/her store, a vendor can.

Now, your vendors will be able to see a dedicated menu from where they can create their own price rules.

Vendors can set the price rule from the modal window. To read more about creating and applying price rules, you can refer to this page in the documentation.

All general rules created by the site’s global administrator won’t cause any effect on products related to a vendor.
For further information about the plugin YITH WooCommerce Role Based Prices, please, refer to the official documentation.