For aligning items left or right: Select your slider item, scroll down find "Slider Content Alignment" and select the position you want. see the screenshot below -
For aligning items top/bottom/center: use the following css rules.
Here "sp-item:nth-child(1)" is your slider 1's content container, "sp-item:nth-child(2)" is your slider 2's content container.
Change the value of "align-items" to start(top), center(middle) or end(bottom) as your wish.
.sp-item:nth-child(1){
align-items: end;
}
.sp-item:nth-child(2){
align-items: start;
}
.sp-item:nth-child(3){
align-items: center;
}