You need to create one pdf file where place ERD on one page and its related logical model on next page. This means total 2 pages are required, that is 2 pages for 1 ERD and 1 page for 1 logical model.

Sales Management Information System (SMIS).

A company has many agencies and each agency must belong to one company. Each agency must have many agents and each agent must work in exactly one agency. Each agent must be a representative for many clients and each client must be managed by one agent. A client may place many orders and an order must be placed by one client. An order must contain many products and each product may be listed in one order. A worker must assemble many products and each product must be assembled by many workers. A vendor must supply many parts and each part may be supplied by many vendors. A company must deal with number of vendors and each vendor must be dealing with one company.