SAP has not provided this option but you can enhance the functionality and achieve, we did enhanced and it working well so far. check the below blog.
Enhance (d) BPF-->Work Flow (with Approval from Smart Phone/outlook box) – Part 1
SAP has not provided this option but you can enhance the functionality and achieve, we did enhanced and it working well so far. check the below blog.
Enhance (d) BPF-->Work Flow (with Approval from Smart Phone/outlook box) – Part 1