3x Magento Master
Order View Page in frontend Magento 2, Contains Multiple links related to Order flows like Invoice, shipment, and refunds.
If you want to remove the Invoices link from the Order detail page, Customer Dashboard, My Orders tab You need to override sales_order_info_links.xml file.
Remove the Order shipments link from the Order view page frontend using Magento 2 by modifying the XML file.
If you want to remove the Order Shipments link from the Order detail page, You need to override the sales_order_info_links.xml file in your module or theme level.
Contact us page is Enable or not, Check using Programmatically way by Magento 2.
By Default from Admin panel, you can verify it by Stores -> Configuration -> Contacts tab.