SOP's and mandatory documents

Answer:
Yes. ISO 9001:2015 has no mandatory documented procedures. Please check ISO 9001:2015 clause 4.4.2. It is up to each organization to evaluate “To the extent necessary” any need for SOP’s. Normally, that depends on people’s turnaround and tasks complexity.

The following materials will provide you more information about documenting a quality management system:
- List of mandatory documents required by ISO 9001:2015 - https://advisera.com/9001academy/knowledgebase/list-of-mandatory-documents-required-by-iso-90012015/
- Free webinar – Overview of ISO 9001 implementation steps - https://advisera.com/9001academy/webinar/overview-of-iso-9001-implementation-steps-free-webinar-on-demand/
- Enroll for free in the course – ISO 9001:2015 Foundations Course - https://training.advisera.com/course/iso-9001-foundations-course/
- Book - Discover ISO 9001:2015 Through Practical Examples - https://advisera.com/books/discover-iso-9001-2015-through-practical-examples/