Before publishing the catalog on the marketplaces, it is important to manage its settings, such as prices, shipping and payment methods, and to add inclusion/exclusion filters to publish the products.
these settings are to be managed for each configured marketplace and catalog. When they are not editable, it means that they can not be managed for that specific marketplace.
To open the settings panel, from the main Pre-Sales window.
Open the Choose Catalog menu and select the products list, then click on Settings.
In this window, click the button
A window will open where several settings tabs will be shown.