Finding official, licensed SAP S/4HANA FICO training materials (like the TS4F01 or TS4F02 courses) for free as a PDF is difficult because SAP protects its intellectual property aggressively. Distributing or downloading copyrighted SAP manuals is illegal and poses security risks (many "free PDF" sites contain malware).
S/4HANA FICO Course Curriculum: A high-level overview of Topics and Chapters including Universal Journal (ACDOCA) concepts and SAP Fiori navigation. SAP S/4HANA 2020 Sap S4 Hana Fico Training Material Pdf Free Download
Conclusion
Author Credibility: Look for materials curated by certified SAP consultants or reputable training institutes. Accounts Payable (AP) & Accounts Receivable (AR): Author