Complex sentence: Some suggest that OPM3 Online can be used as a precursor to the implementation of OPM3 through OPM3 ProductSuite, yet PMI has begun to develop a separate tool called "IQ" to help users to determine whether an organization is ready to undertake implementation of OPM3.
Split into simpler sentences: Some suggest that OPM3 Online can be used as a precursor to the implementation of OPM3 using OPM3 ProductSuite. However, PMI has begun to develop a separate tool called "IQ" to help users to determine whether an organization is ready to undertake implementation of OPM3.