A processing apparatus that processes a sheet member used in manufacturing an absorbent article, in which the processing apparatus includes (A) a mounting member on which the sheet member is mounted, (B) a rotating roller that rotates with a peripheral surface thereof opposing the mounting member, (C) a processing component that is provided on the peripheral surface and movable on the peripheral surface along an axial direction of the rotating roller, and (D) an adjustment mechanism that adjusts a relative position of the processing component with respect to the peripheral surface in the axial direction, (E) the processing component processing the sheet member by coming into contact with the sheet member with the rotating roller being rotated, while the sheet member is passing between the mounting member and the rotating roller with the sheet member being mounted on the mounting member, (F) the adjustment mechanism adjusting the relative position by moving the processing component on the peripheral surface along the axial direction.
