Computational science workflows have been successfully run on traditional High Performance Computing (HPC) systems like clusters and Grids for many years. Now a day, users are interested to execute their workflow applications in the Cloud to exploit the economic and technical benefits of this new rising technology. The deployment and management of workflows over the current existing heterogeneous and not yet interoperable Cloud providers, is still a challenging task for the workflow developers. The Pointer Gossip Content Addressable Network Montage Framework allows an automatic selection of the goal clouds, a uniform get entry to to the clouds, and workflow data management with respect to user Service Level Agreement (SLA) requirements. Consequently, a number of studies, focusing on different aspects, emerged in the literature. In this comparative review on workflow scheduling algorithm cloud environment is provide solution for the problems. Based on the analysis, the authors also highlight some research directions for future investigation. The previous results offer benefits to users by executing workflows with the expected performance and service quality at lowest cost.