PowerApp for Historical Invoice Retrieval

I need a Microsoft PowerApp to search and display historical invoices from XLS files. The app will be accessed via a SharePoint site.

Requirements:
- Search functionality based on:
- Customer Name
- Invoice Date
- Store Location
- Vehicle Registration
- Data from two XLS files per location:
- One file for invoice headers/footers
- One file for invoice line items
- Combine data using Invoice# as key
- Display combined information in PowerApp
- Print result form as PDF

Ideal Skills and Experience:
- Proficiency in Microsoft PowerApps
- Experience working with Excel and SharePoint
- Strong data integration and manipulation skills
- Ability to create user-friendly search interfaces