"paramount to understand" is a correct and usable phrase in written English.
You can use it when you want to emphasize the importance of understanding something. For example, "It is paramount to understand the rules of the game before participating."
Against this background it is paramount to understand and explain the management preferences of anglers.
The identification and utilization of the low dimensional manifolds in these system is paramount to understand and develop robust models which can account for turbulence chemistry interactions.
Not to get all "in our current political climate," but in our current political climate it's paramount to understand the origins of extremism and evil, and how extremists envision the violent ends to their altogether hateful and misguided means.
The identification of potential non-native interactions and putative backup circuits is paramount to understand how cell networks work as a whole, in what it is known as systems biology.
Metabolic regulation via tuning of gene expression is paramount to understand cell behavior.
Their functional characterization will be paramount to understand cell wall architecture and assembly during an elongation process.
Like any business it is of paramount concern to understand and appreciate those who sustain you.
Therefore, it is of paramount importance to understand and predict their performance in different ambient conditions.
Therefore, it is of paramount importance to understand and improve the knowledge of the detailed processes, occurring within the component.
In order to be able to propose a methodology for the stability of these active substances, it is of paramount importance to understand their degradation mechanisms.
Therefore, it is of paramount importance to understand the catchment processes that cause changes in river ecosystems as a result of land use.
