Automatic Invoice on CiviCrm
Abdalla, Welcome to CiviCRM SE. Yes, Member will get the receipt when a payment is processed from payment processor or bank transfer. CiviCRM sends the receipt to the user if the payment is complete. CCiviCRM also lets you generate invoice which includes tax details for the contribution(payment), this is not send automatically to user by CiviCRM. 

HTH

Pradeep