With Botiga Pro you can create unlimited custom sidebars. You can find the options for it via Appearance > Customize > General > Sidebar
Give a name for your sidebar and click on the button ‘Add New Sidebar’. Click on the ‘cog’ icon to add some ‘Display Conditions’. You might define display conditions for each sidebar, so you can for example display a custom sidebar only on a specific product page.
Learn more about ‘Display Conditions’ by clicking here.
Save/publish the customizer settings. At this point your custom sidebars will be being rendered at Appearance > Widgets and you might populate the sidebar with the widgets you wish.