Hello,
1/ Theme Options > WooCommerce > Single product builder > add Related Products or Up-Sells or Cross-Sells products into page content. If elements are added, make sure that such products exists – https://docs.woocommerce.com/document/related-products-up-sells-and-cross-sells/ 2/ Edit page using Elementor, settings of section, disable stretch https://prnt.sc/1r7u7j6 and change width of columns. 3/ Try to disable all the third-party plugins (including cache plugins), that do not come bundled with XStore https://xstore.helpscoutdocs.com/article/36-included-plugins , clear cache of browser, and check then.
Regards
