WT32-SC01 Since SMD-PAD

im use WT32-SC01 but
Since SMD-PAD is not included

A general-purpose board to which a
2mm pitch PIN header can be attached

Needed to create an expansion board

Is it available at seeed studio?

You can have a look on my page : GitHub - bsfconception/WT32-SC01: Expansion board for WT32-SC01 Dev Kit
It may inpire you for your needs.
Regarding the fiwation issue, a solution is proposed here :
WT32-SC01/enboxing/V1.0 at main · bsfconception/WT32-SC01 · GitHub