For the same reason many colonialists wanted to go to the east: Spices, cotton, silk and other resources.
He was sent out by the Dutch Republic's East India Company. That was at the time the richest and biggest 'private' trading company in the world. His assignment was to try and find a westward route to East India.
A western route to India.
The Water Route to India and the Spice Islands in Indonesia and Malaysia via Cape Hope of South Africa. The Dutch Affricaner Settlement at Cape Town was to Refurbish these Ships with Fresh Food and Water.
His purpurse was to establish the Trading Route.
Find a water route to India, gold, glory, and fame.
a more direct route to India and Idonesia
He did not find the water route to Asia.
India
a more direct route to India and Idonesia
he was hired by the Dutch East India company to do so
In 1634 Abel Tasman joined the Dutch East India Company as a trader. After gaining further experience and promotions, he was ordered to explore the south-east waters in order to find a new sea trade route to Chile in South America.
To find a sea route to India