Complex sentence: In the fashion sector, the approach is somewhat different as the "look" of the store is critical to sales conversions and, sadly, planogramming software created for supermarkets and FMCG are not designed for this type of approach.
Split into simpler sentences: In the fashion sector, the approach is somewhat different as the "look" of the store is critical to sales conversions. Many planogramming software created for supermarkets and FMCG are not designed for this type of approach.